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NLP Centre, Faculty of Informatics, Masaryk University 14

ape210k__00014425

The decimal point of a decimal is moved one place to the left, the number obtained is 2.52, what is the decimal.

一个小数的小数点向左移动一位，得到的数是2.52，这个小数是多少．

<gadget id="calculator">2.52 * 10</gadget> <output>25.2</output> <result>25.2</result>

25.2

x=2.52*10

ape210k__00557498

An acrobat performs a unicycle tightrope walk. The diameter of the wheel is 50 centimeters. To walk a 31.4-meter-long steel wire, how many times does the wheel need to turn at least?

杂技演员表演独轮车走钢丝，车轮直径为50厘米，要走过长31.4米的钢丝，车轮至少需要转动多少圈？

<gadget id="calculator">50 / 100</gadget> <output>1/2 = around 0.5</output> <gadget id="calculator">3.14 * (1/2)</gadget> <output>1.57</output> <gadget id="calculator">31.4 / 1.57</gadget> <output>20</output> <result>20</result>

20

x=31.4/(3.14*(50/100))

ape210k__00605626

The roller of a road roller is 3 meters long and has a radius of 1.5 meters. If it rolls 7 times, how many square meters is the rolling area?

一台压路机的滚筒长3米，半径为1.5米，如果滚动7周，那么压路面积是多少平方米？

<gadget id="calculator">2 * 3.14 * 1.5 * 3 * 7</gadget> <output>197.82</output> <result>197.82</result>

197.82

x=2*3.14*1.5*3*7

ape210k__00605930

A cylindrical piece of wood is 9 decimeters high. After cutting into two smaller cylinders, the surface area increases by 36 square decimeters. What is the volume of this piece of wood?

一个圆柱形木料高9分米，切成两个小圆柱后，表面积增加36平方分米，这根木料的体积是多少立方分米？

<gadget id="calculator">36 / 2</gadget> <output>18</output> <gadget id="calculator">18 * 9</gadget> <output>162</output> <result>162</result>

162

x=36/2*9

ape210k__00238826

It takes (1/25) seconds for the automatic detector to detect one bottle, how many seconds does it take to detect 100 bottles.

自动检测仪检测一个瓶子用时(1/25)秒，检测100个瓶子需要多少秒．

<gadget id="calculator">1 / 25</gadget> <output>1/25 = around 0.04</output> <gadget id="calculator">(1/25) * 100</gadget> <output>4</output> <result>4</result>

4

x=(1/25)*100

ape210k__00148837

The height of 100 sheets of paper is about 1 cm, and the height of 100 million sheets of paper is about tens of thousands of meters

100张纸摞起来高约1厘米，1亿张纸摞起来高约多少万米

<result>1</result>

1

x=1

ape210k__00994347

If 100 sheets of paper of the same thickness are stacked together with a thickness of (4/5) cm, how many sheets of this paper are needed to make a layer of 5 cm thick paper?

将100张同样厚的纸叠在一起，厚度为(4/5)cm，要叠成5cm厚的纸层，需要这样的纸多少张？

<gadget id="calculator">4 / 5</gadget> <output>4/5 = around 0.8</output> <gadget id="calculator">(4/5) / 100</gadget> <output>1/125 = around 0.008</output> <gadget id="calculator">5 / (1/125)</gadget> <output>625</output> <result>625</result>

625

x=5/((4/5)/100)

ape210k__00562500

On a map with a scale of 1:4000000, the distance between A and B is 6 cm. How many kilometers is the actual distance between A and B?

在比例尺是1：4000000的地图上，量得甲、乙两地相距6厘米，甲、乙两地实际距离多少千米？

<gadget id="calculator">1 / 4_000_000</gadget> <output>1/4_000_000 = around 0</output> <gadget id="calculator">6 / (1/4_000_000) / 100_000</gadget> <output>240</output> <result>240</result>

240

x=6/(1/4000000)/100000

ape210k__00040601

586*28-486*28．

586*28-486*28．

<gadget id="calculator">586 * 28</gadget> <output>16_408</output> <gadget id="calculator">486 * 28</gadget> <output>13_608</output> <gadget id="calculator">16_408 - 13_608</gadget> <output>2_800</output> <result>2_800</result>

2_800

x=586*28-486*28

ape210k__00405632

The students in the experimental primary school saved 40.25 yuan in repairing tables and chairs, and saved 3.7 yuan less in binding books than in repairing tables and chairs. How much did you save in total?

实验小学的同学修理桌椅节约40.25元，装订图书比修理桌椅少节约3.7元．一共节约多少元？

<gadget id="calculator">40.2 - 3.7</gadget> <output>36.5</output> <gadget id="calculator">36.5 + 40.25</gadget> <output>76.75</output> <result>76.75</result>

76.75

x=(40.2-3.7)+40.25

ape210k__00497234

Column calculation: what is the result of dividing the quotient of 4.8 by 3 times the sum of 14.5 and 3.8?

列式计算：4.8除以3的商乘14.5与3.8的和，结果是多少？

<gadget id="calculator">4.8 / 3</gadget> <output>1.6</output> <gadget id="calculator">14.5 + 3.8</gadget> <output>18.3</output> <gadget id="calculator">1.6 * 18.3</gadget> <output>29.28</output> <result>29.28</result>

29.28

x=(4.8/3)*(14.5+3.8)

ape210k__00778851

Li Ming can read a storybook in 15 days, but Zhang Wei takes 2 days more than Li Ming, and Li Ming reads 4 more pages than Zhang Wei every day. How many pages does this story book have?

一本故事书，李明15天可以看完，而张伟比李明多用2天，李明每天比张伟多看4页．这本故事书共有多少页．

<gadget id="calculator">4 / 2</gadget> <output>2</output> <gadget id="calculator">15 * 2</gadget> <output>30</output> <gadget id="calculator">15 + 2</gadget> <output>17</output> <gadget id="calculator">30 * 17</gadget> <output>510</output> <result>510</result>

510

x=(15*4/2)*(15+2)

ape210k__00854679

Teacher Li has 415 exercise books, among which 196 are distributed to second-grade students and 208 to first-grade students. How many books does Mr. Li have left?

李老师有415本练习本，发给二年级同学196本，一年级同学208本．李老师还剩多少本？

<gadget id="calculator">415 - 196 - 208</gadget> <output>11</output> <result>11</result>

11

x=415-196-208

ape210k__00155283

On weekends, my mother has to do the following tasks at home: it takes 6 minutes to tidy up the room, add water to the washing machine and put the clothes in for 3 minutes, wash the washing machine automatically for 10 minutes, dry the clothes for 3 minutes, mop the floor for 3 minutes, and wash the mop for 1 minute. Think about it, how many minutes is the minimum required to arrange to do these things.

周末妈妈在家要做以下几项工作：整理房间需6分钟，给洗衣机加水并放衣物3分钟，洗衣机自动洗涤10分钟，晾晒衣物3分钟，拖地3分钟，洗拖把1分钟．想一想，合理安排做这些事情最少需多少分钟．

<gadget id="calculator">3 + 6 + 3 + 1 + 3</gadget> <output>16</output> <result>16</result>

16

x=3+6+3+1+3

ape210k__00796449

The school held the campus reading festival from May 25th to June 8th this year. How many days did the reading festival last?

学校于今年5月25日到6月8日举办了校园读书节，读书节共举办了多少天．

<gadget id="calculator">7 + 8</gadget> <output>15</output> <result>15</result>

15

x=7+8

ape210k__00828367

If the base of a parallelogram is 5 cm and the height is 6 cm, what is the area of the triangle with the same base and height?

一个平行四边形的底是5cm，高是6cm，与它等底等高的三角形的面积是多少．

<gadget id="calculator">6 / 2</gadget> <output>3</output> <gadget id="calculator">5 * 3</gadget> <output>15</output> <result>15</result>

15

x=5*6/2

ape210k__00989239

The third-grade students went to work on the farm. There were 80 girls and 84 boys. They were divided into groups of 4. How many groups can they be divided into?

三年级学生去农场劳动，女生去了80人，男生去了84人，4人分一组，一共可以分多少组？

<gadget id="calculator">80 + 84</gadget> <output>164</output> <gadget id="calculator">164 / 4</gadget> <output>41</output> <result>41</result>

41

x=(80+84)/4

ape210k__01045375

If a piece of wood with a side length of 20 cm is processed into the largest cylinder, what is the volume of the cut wood in cubic centimeters?

将一段棱长是20厘米的正方体木材，加工成一个最大的圆柱，削去的木材的体积是多少立方厘米．

<gadget id="calculator">20 * 20 * 20</gadget> <output>8_000</output> <gadget id="calculator">20 / 2</gadget> <output>10</output> <gadget id="calculator">10 ** 2</gadget> <output>100</output> <gadget id="calculator">3.14 * 100 * 20</gadget> <output>6_280</output> <gadget id="calculator">8_000 - 6_280</gadget> <output>1_720</output> <result>1_720</result>

1_720

x=20*20*20-(3.14*(20/2)**2*20)

ape210k__00516706

The stationery store sold a total of 48 boxes of color pens a day, and the color pens sold in the afternoon were the morning (7/9). How many boxes of color pens were sold in the morning?

文化用品商店一天共卖出彩笔48盒，其中下午卖出的彩笔是上午的(7/9)，上午卖出彩笔多少盒？

<gadget id="calculator">7 / 9</gadget> <output>7/9 = around 0.777778</output> <gadget id="calculator">1 + (7/9)</gadget> <output>16/9 = around 1.777778</output> <gadget id="calculator">48 / (16/9)</gadget> <output>27</output> <result>27</result>

27

x=48/(1+(7/9))

ape210k__00402285

In order to celebrate the tenth anniversary of the establishment of a shopping mall, all products are sold at a 10% discount. The current price of a TV is 250 yuan cheaper than the original price. How much is the original price of this TV?

某商场为了庆祝成立十周年，所有商品都按九折出售．一款电视现价比原价便宜了250元，这款电视原价多少钱？

<gadget id="calculator">90 / 100</gadget> <output>9/10 = around 0.9</output> <gadget id="calculator">1 - (9/10)</gadget> <output>1/10 = around 0.1</output> <gadget id="calculator">250 / (1/10)</gadget> <output>2_500</output> <result>2_500</result>

2_500

x=250/(1-90%)

ape210k__00237570

There is a row of saplings. The distance between two adjacent trees was originally 2 meters, but now it is changed to 3 meters. If one tree at the starting point does not move, then how far away is another sapling that does not need to be moved?

有一排树苗，每相邻两棵间的距离原来都是2米，现在改成3米，如果起点的一棵不动，那么最近再隔多远又有一棵树苗不需要移动？

<gadget id="calculator">2 * 3</gadget> <output>6</output> <result>6</result>

6

x=2*3

ape210k__00132083

road roller has a cylindrical front wheel with a width of 1.8 meters and a diameter of 0.8 meters. If the front wheel rolls 30 times per minute, how much can it press on the road per minute?

一种压路机的前轮是圆柱形状的，轮宽1.8米，直径0.8米．如果前轮每分钟滚动30圈，每分钟能压路面多大？

<gadget id="calculator">45.216 * 30</gadget> <output>1_356.48</output> <result>1_356.48</result>

1_356.48

x=45.216*30

ape210k__01008815

I hope that 420 students from the fourth grade of elementary school will visit the Agricultural Science and Technology Demonstration Park, and 36 of them have already gone. How many minibuses are needed for every remaining 24 people to take one minibus?

希望小学四年级的420名同学去参观农业科技示范园，已经去了36人．剩下的每24人乘一辆中巴车，需要多少辆中巴车？

<gadget id="calculator">420 - 36</gadget> <output>384</output> <gadget id="calculator">384 / 24</gadget> <output>16</output> <result>16</result>

16

x=(420-36)/24

ape210k__00324040

The Nanjing Railway Team wants to repair a section of railway, and 4.05 kilometers have been repaired, and the rest is 2.45 kilometers less than the repaired one. How long is this railway in kilometers?

南京铁路队要修一段铁路，已经修好了4.05千米，剩下的比修好的少2.45千米．这段铁路全长多少千米？

<gadget id="calculator">4.05 - 2.45</gadget> <output>1.6</output> <gadget id="calculator">1.6 + 4.05</gadget> <output>5.65</output> <result>5.65</result>

5.65

x=4.05-2.45+4.05

ape210k__00699871

Because the battery is dead, the clock stops. It is exactly 12:20 at this time. Find the angle between the hour hand and the minute hand.

由于电池没电，时钟停止走动，此时正好是12：20，求时针与分针的夹角多少．

<gadget id="calculator">4 * 30</gadget> <output>120</output> <gadget id="calculator">0.5 * 20</gadget> <output>10</output> <gadget id="calculator">120 - 10</gadget> <output>110</output> <result>110</result>

110

x=4*30-(0.5*20)

ape210k__00081566

In a right triangle, the lengths of the three sides are 30 meters, 40 meters and 50 meters respectively, what is the height of the hypotenuse in meters?

在一个直角三角形中，三条边长分别为30米、40米、50米，求斜边上的高是多少米．

<gadget id="calculator">120 / 50</gadget> <output>12/5 = around 2.4</output> <result>12/5 = around 2.4</result>

12/5

x=120/50

ape210k__00720967

How many different two-digit numbers can be formed with 0, 5, 7, and 8?

用0、5、7、8能组成多少个不同的两位数．

<gadget id="calculator">3 * 3</gadget> <output>9</output> <result>9</result>

9

x=3*3

ape210k__00578896

Calculation: 7.2*(1/4)+7.2*75%.

计算：7.2*(1/4)+7.2*75%．

<gadget id="calculator">1 / 4</gadget> <output>1/4 = around 0.25</output> <gadget id="calculator">7.2 * (1/4)</gadget> <output>1.8</output> <gadget id="calculator">75 / 100</gadget> <output>3/4 = around 0.75</output> <gadget id="calculator">7.2 * (3/4)</gadget> <output>5.4</output> <gadget id="calculator">1.8 + 5.4</gadget> <output>7.2</output> <result>7.2</result>

7.2

x=7.2*(1/4)+7.2*75%

ape210k__00332163

There are 156 girls in the school choir, and the number of girls is twice the number of boys. How many boys are there in the choir?

学校合唱团有女生156人，女生人数是男生人数的2倍．合唱团有男生多少人？

<gadget id="calculator">156 / 2</gadget> <output>78</output> <result>78</result>

78

x=156/2

ape210k__00379273

The product of two factors is 52.3. If one factor is enlarged by 10 times and the other factor remains unchanged, what is the product?

两个因数的积是52.3，一个因数扩大10倍，另一个因数不变，则积是多少．

<gadget id="calculator">52.3 * 10</gadget> <output>523</output> <result>523</result>

523

x=52.3*10

ape210k__00776641

road roller travels 100 meters per minute, and the roller width of the road roller is 2m. How many square meters can the road roller press for 5 minutes?

一辆压路机每分钟行驶100米，压路机的滚筒宽度是2m．压路机行驶5分钟，能压路面多少平方米？

<gadget id="calculator">100 * 5 * 2</gadget> <output>1_000</output> <result>1_000</result>

1_000

x=100*5*2

ape210k__00449384

Pingdong Township built a moat embankment of 2.04 kilometers, an average of 0.085 kilometers per day in the first 15 days, and the rest will take 5 days to complete, how many meters per day on average?

平东乡修一条2.04千米的护城河河堤，前15天平均每天修0.085千米，余下的要用5天完成，平均每天修多少米？

<gadget id="calculator">0.085 * 15</gadget> <output>1.275</output> <gadget id="calculator">2.04 - 1.275</gadget> <output>0.765</output> <gadget id="calculator">0.765 / 5</gadget> <output>0.153</output> <result>0.153</result>

0.153

x=(2.04-0.085*15)/5

ape210k__00569792

To celebrate New Year's Day, the school specially made a banner with a length of 9 meters and a width of 2 meters. What is the circumference of this banner?

学校为欢庆元旦，专门制作了一张长9米，宽2米的横幅，那么此横幅周长为多少？

<gadget id="calculator">9 + 2</gadget> <output>11</output> <gadget id="calculator">11 * 2</gadget> <output>22</output> <result>22</result>

22

x=(9+2)*2

ape210k__00010033

The three members of Xiao Ming's family plan to visit a nearby scenic spot during the holiday. His father plans to spend as follows: 15 yuan for transportation, 75 yuan for accommodation, and 120 yuan for food. The round-trip train ticket is 270 yuan. If they go out for 15 days, at least how much money should they prepare?

小明一家三人准备在假期到附近的风景区游玩，他父亲计划每天的支出如下：交通费15元、住宿费75元、伙食费120元．往返火车票270元．他们如果外出15天，至少要准备多少钱？

<gadget id="calculator">210 + 270</gadget> <output>480</output> <result>480</result>

480

x=210+270

ape210k__00254884

Calculation: 23*2*4+24*4*2+26*1*8+27*8*1=

计算：23*2*4+24*4*2+26*1*8+27*8*1=

<gadget id="calculator">23 * 2 * 4</gadget> <output>184</output> <gadget id="calculator">24 * 4 * 2</gadget> <output>192</output> <gadget id="calculator">26 * 1 * 8</gadget> <output>208</output> <gadget id="calculator">27 * 8 * 1</gadget> <output>216</output> <gadget id="calculator">184 + 192 + 208 + 216</gadget> <output>800</output> <result>800</result>

800

x=23*2*4+24*4*2+26*1*8+27*8*1

ape210k__00307328

A fuel tank is 1 meter long, 0.6 meters wide, and 5 decimeters high. If it is filled with gasoline, how many liters of gasoline can it hold?

一个油箱长1米，宽0.6米，高5分米，里面装满汽油，可装多少升汽油？

<gadget id="calculator">1 * 10 * 0.6 * 1 * 10 * 5</gadget> <output>300</output> <result>300</result>

300

x=1*10*0.6*1*10*5

ape210k__00498215

The distance between A and B is 212 kilometers. A car drives from A to B for 3 hours, and the distance to B is 26 kilometers. How many kilometers per hour does the car drive on average?

甲乙两地相距212千米，一辆汽车从甲地开往乙地，行驶了3小时，距乙地还有26千米，这辆汽车平均每小时行驶多少千米？

<gadget id="calculator">212 - 26</gadget> <output>186</output> <gadget id="calculator">186 / 3</gadget> <output>62</output> <result>62</result>

62

x=(212-26)/3

ape210k__00014030

The distance between two ports, A and B, is 77 kilometers, the speed of the ship is 9 kilometers per hour, and the speed of the water is 2 kilometers per hour. How many hours does it take to sail from port A to port B along the water?

甲、乙两个港口相距77千米，船速为每小时9千米，水流速度为每小时2千米，那么由甲港到乙港顺水航行需多少小时．

<gadget id="calculator">9 + 2</gadget> <output>11</output> <gadget id="calculator">77 / 11</gadget> <output>7</output> <result>7</result>

7

x=77/(9+2)

ape210k__00026875

Given that the greatest common factor of two positive integers is 4 and the least common multiple is 24, what is the maximum value of the sum of these two numbers?

已知两个正整数的最大公因数是4，最小公倍数是24，那么这两个数和的最大值是多少．

<gadget id="calculator">4 + 24</gadget> <output>28</output> <result>28</result>

28

x=4+24

ape210k__00631479

For a three-digit number, the number in the hundreds place is twice the number in the tens place, and it is four times the number in the ones place. What is the smallest three-digit number?

一个三位数，百位上的数字是十位数上的2倍，是个位上数字的4倍．这个三位数最小是多少．

<result>421</result>

421

x=421

ape210k__00628873

Class 1 of the third grade held a singing competition, every two students competed one game, a total of 6 times, how many people participated in the singing competition.

三年级1班举行唱歌比赛，每两个同学赛一场，共进行了6次，参加唱歌比赛的有多少人．

<result>4</result>

4

x=4

ape210k__00220124

There are 40 chickens and rabbits in the same cage, and the number of rabbit feet is 8 less than 10 times the number of chicken feet, so how many rabbits are there?

鸡兔同笼，共有40个头，兔脚的数目比鸡脚的数目的10倍少8只，那么兔有多少只．

<gadget id="calculator">10 * 2 * 40</gadget> <output>800</output> <gadget id="calculator">800 - 8</gadget> <output>792</output> <gadget id="calculator">10 * 2</gadget> <output>20</output> <gadget id="calculator">4 + 20</gadget> <output>24</output> <gadget id="calculator">792 / 24</gadget> <output>33</output> <result>33</result>

33

x=(10*2*40-8)/(4+10*2)

ape210k__00385466

kind of concrete is made by mixing cement, sand, and stones in addition to water. The ratio of cement, sand, and stones is 2:3:5. If there are 1,500 kilograms of cement, 1,800 kilograms of sand, and 3,520 kilograms of gravel on the construction site, and the person in charge of the construction asks the workers to mix as much concrete as possible without adding these three materials, how much can be mixed with these materials at most? kg of this concrete? ?

一种混凝土除水以外由水泥、沙子、石子搅拌而成，水泥、沙子和石子的比是2：3：5．如果现在工地上有水泥1500千克，沙子1800千克，石子3520千克，施工负责人要求工人们在不增加这三种材料基础上，尽可能多搅拌这种混凝土，那么最多能用这些材料搅拌出多少千克的这种混凝土？？

<gadget id="calculator">1_800 / 3</gadget> <output>600</output> <gadget id="calculator">600 * 5</gadget> <output>3_000</output> <gadget id="calculator">600 * 2</gadget> <output>1_200</output> <gadget id="calculator">1_800 + 3_000 + 1_200</gadget> <output>6_000</output> <result>6_000</result>

6_000

x=1800+((1800/3)*5)+((1800/3)*2)

ape210k__00154142

Jia Jia and Wang Ying, students from the 96-level experimental class of Shenzhen Middle School, won one gold and one silver in the just-concluded "Sixth National Hua Cup", achieving a breakthrough of zero gold medals in Shenzhen's "Hua Cup". It is known that Jia Jia's score (1/3) is 22 points less than Wang Ying's score (1/2), and Wang Ying's score (1/3) is 12 points less than Jia Jia's score (1/2), then What is the sum of their scores?

深圳中学96级实验班同学贾嘉和王颖在刚结束的"第六届全国华杯赛"中一举夺得一金一银的好成绩，实现深圳市"华杯赛"金牌零的突破．已知贾嘉得分的(1/3)比王颖得分的(1/2)少22分，而王颖得分的(1/3)比贾嘉得分的(1/2)少12分，则他们得分之和是多少分．

<result>204</result>

204

x=204

ape210k__00208287

Will 2: 5 = 8: how much.

将2：5=8：多少．

<result>20</result>

20

x=20

ape210k__00220008

The bag contains 10 beads of different colors, 100 of each. If you want to ensure that 3 beads of different colors are drawn from the bag and at least 10 of each are drawn, then at least how many beads must be drawn.

袋中装有10种不同颜色的珠子，每种都是100个．要想保证从袋中摸出3种不同颜色的珠子并且每种至少10个，那么至少要摸出多少个珠子．

<gadget id="calculator">100 * 2</gadget> <output>200</output> <gadget id="calculator">9 * 8</gadget> <output>72</output> <gadget id="calculator">200 + 72 + 1</gadget> <output>273</output> <result>273</result>

273

x=100*2+9*8+1

ape210k__00196509

There are 35 passenger cars and 134 cars in the parking lot, how many fewer passenger cars than cars.

停车场内有客车35辆，汽车134辆，客车比汽车少多少辆．

<gadget id="calculator">134 - 35</gadget> <output>99</output> <result>99</result>

99

x=134-35

ape210k__00613393

A cuboid whose base area is a square has a perimeter of 24 cm and a height of 15 cm, what is its surface area in square centimeters?

一个底面积是正方形的长方体，它的底面周长是24厘米，高是15厘米，它的表面积是多少平方厘米．

<gadget id="calculator">24 / 4</gadget> <output>6</output> <gadget id="calculator">6 * 6</gadget> <output>36</output> <gadget id="calculator">6 * 15</gadget> <output>90</output> <gadget id="calculator">36 + 90 + 90</gadget> <output>216</output> <gadget id="calculator">216 * 2</gadget> <output>432</output> <result>432</result>

432

x=((24/4)*(24/4)+(24/4)*15+(24/4)*15)*2

ape210k__00008281

Xiao Ming reads a 200-page story book. He reads 20% of the whole book on the first day and 35% of the whole book on the second day. How many pages are left?

小明看一本200页的故事书，第一天看了全书的20%，第二天看了全书的35%，还剩多少页没有看？

<gadget id="calculator">20 / 100</gadget> <output>1/5 = around 0.2</output> <gadget id="calculator">35 / 100</gadget> <output>7/20 = around 0.35</output> <gadget id="calculator">1 - (1/5) - (7/20)</gadget> <output>9/20 = around 0.45</output> <gadget id="calculator">200 * (9/20)</gadget> <output>90</output> <result>90</result>

90

x=200*(1-20%-35%)

ape210k__00815193

The weather is divided into sunny days, rainy days and cloudy days. In July this year, cloudy days are less than sunny days (1/4), and rainy days are less than sunny days (1/6). How many days are sunny this month? (calculation)

天气分为晴天，雨天和阴天，今年七月份中，阴天比晴天少(1/4)，雨天比晴天少(1/6)，则这个月有多少天是晴天？(算式)

<gadget id="calculator">1 / 4</gadget> <output>1/4 = around 0.25</output> <gadget id="calculator">1 - (1/4)</gadget> <output>3/4 = around 0.75</output> <gadget id="calculator">1 / 6</gadget> <output>1/6 = around 0.166667</output> <gadget id="calculator">1 - (1/6)</gadget> <output>5/6 = around 0.833333</output> <gadget id="calculator">1 + (3/4) + (5/6)</gadget> <output>31/12 = around 2.583333</output> <gadget id="calculator">31 / (31/12)</gadget> <output>12</output> <result>12</result>

12

x=31/(1+(1-(1/4))+(1-(1/6)))

ape210k__00019427

What is the speed of a car traveling 256 kilometers in 4 hours?

一辆汽车4小时行256千米，它的速度是多少．

<gadget id="calculator">256 / 4</gadget> <output>64</output> <result>64</result>

64

x=256/4

ape210k__00337402

From A to B, if the speed of the vehicle is increased (1/9) than the original, you can arrive 20 minutes earlier than the scheduled time, such as driving 72 kilometers at the original speed, and then increase the speed (1/3) than the original , just arrived 30 minutes earlier than the scheduled time, how many kilometers is the distance between A and B?

从甲地去乙地，如果车速比原来提高(1/9)，就可比预定的时间提前20分钟赶到，如先按原速行驶72千米，再将车速比原来提高(1/3)，就比预定时间提前30分钟赶到，甲、乙两地相距多少千米？

<gadget id="calculator">1 / 9</gadget> <output>1/9 = around 0.111111</output> <gadget id="calculator">1 + (1/9)</gadget> <output>10/9 = around 1.111111</output> <gadget id="calculator">1 / (10/9)</gadget> <output>9/10 = around 0.9</output> <gadget id="calculator">1 - (9/10)</gadget> <output>1/10 = around 0.1</output> <gadget id="calculator">20 / (1/10)</gadget> <output>200</output> <gadget id="calculator">1 / 3</gadget> <output>1/3 = around 0.333333</output> <gadget id="calculator">1 + (1/3)</gadget> <output>4/3 = around 1.333333</output> <gadget id="calculator">1 / (4/3)</gadget> <output>3/4 = around 0.75</output> <gadget id="calculator">1 - (3/4)</gadget> <output>1/4 = around 0.25</output> <gadget id="calculator">200 * (1/4)</gadget> <output>50</output> <gadget id="calculator">30 / 50</gadget> <output>3/5 = around 0.6</output> <gadget id="calculator">1 - (3/5)</gadget> <output>2/5 = around 0.4</output> <gadget id="calculator">72 / (2/5)</gadget> <output>180</output> <result>180</result>

180

x=72/(1-30/(20/(1-1/(1+(1/9)))*(1-1/(1+(1/3)))))

ape210k__00135806

Xiaogang reads a book. He reads 30% of the whole book on the first day, and reads 15 pages less on the second day than on the first day. At this time, he still has half of the book. How many pages does this book have?

小刚读一本书，第一天读了全书的30%，第二天比第一天少读15页，这时还有一半没有读，这本书共有多少页？

<gadget id="calculator">30 / 100</gadget> <output>3/10 = around 0.3</output> <gadget id="calculator">1 / 2</gadget> <output>1/2 = around 0.5</output> <gadget id="calculator">(3/10) - (1/2)</gadget> <output>-1/5 = around -0.2</output> <gadget id="calculator">(3/10) + (-1/5)</gadget> <output>1/10 = around 0.1</output> <gadget id="calculator">15 / (1/10)</gadget> <output>150</output> <result>150</result>

150

x=15/(30%+30%-(1/2))

ape210k__00113871

If the number of boys is 125% of the number of girls, how much fewer girls are there than boys?

如果男生人数是女生人数的125%，那么女生人数比男生人数少多少

<gadget id="calculator">125 / 100</gadget> <output>5/4 = around 1.25</output> <gadget id="calculator">(5/4) - 1</gadget> <output>1/4 = around 0.25</output> <gadget id="calculator">(1/4) / (5/4)</gadget> <output>1/5 = around 0.2</output> <result>1/5 = around 0.2</result>

1/5

x=(125%-1)/125%

ape210k__00243745

45 boxes of oranges and 10 boxes of apples were shipped from the fruit shop, totaling 960 kg. It is known that each box of oranges weighs 16 kg, how much does each box of apples weigh?

水果店里运来45箱桔子和10箱苹果，共960千克．已知桔子每箱重16千克，苹果每箱重多少千克？

<gadget id="calculator">45 * 16</gadget> <output>720</output> <gadget id="calculator">960 - 720</gadget> <output>240</output> <gadget id="calculator">240 / 10</gadget> <output>24</output> <result>24</result>

24

x=(960-45*16)/10

ape210k__01215537

The lifespan of an orangutan is 50 years, which is 10 years more than twice the lifespan of a giant panda. How long is the lifespan of a giant panda?

猩猩的寿命为50年，比大熊猫的寿命的2倍多10年，大熊猫的寿命是多少年？

<gadget id="calculator">50 - 10</gadget> <output>40</output> <gadget id="calculator">40 / 2</gadget> <output>20</output> <result>20</result>

20

x=(50-10)/2

ape210k__00587542

What is the number 100 more than the smallest eight-digit number?

比最小的八位数多100的数是多少

<gadget id="calculator">10_000_000 + 100</gadget> <output>10_000_100</output> <result>10_000_100</result>

10_000_100

x=10000000+100

ape210k__00455936

What is the surface area of a cube whose sum of sides is 60 cm?

棱长之和是60cm的正方体，它的表面积是多少．

<gadget id="calculator">72 / 12</gadget> <output>6</output> <gadget id="calculator">6 * 6 * 6</gadget> <output>216</output> <result>216</result>

216

x=(72/12)*(72/12)*(72/12)

ape210k__00652803

Use a 3-meter-long rope and cut it into 5 sections of the same length for skipping. How long is each segment on average?

用一根长3米的绳子，剪成同样长的5段做跳绳．平均每段有多长？

<gadget id="calculator">3 / 5</gadget> <output>3/5 = around 0.6</output> <result>3/5 = around 0.6</result>

3/5

x=3/5

ape210k__00387834

What is the area of a parallelogram whose base is 13 cm and whose height is 5 cm?

一个平行四边形的底是13厘米，高是5厘米面积是多少平方厘米．

<gadget id="calculator">13 * 5</gadget> <output>65</output> <result>65</result>

65

x=13*5

ape210k__00198422

3 vehicles can transport 187.5 tons of goods in 5 days, so how many tons does each vehicle transport on average per day?

3辆汽车5天可以运送货物187.5吨，那么每辆汽车平均每天运多少吨？

<gadget id="calculator">187.5 / 3 / 5</gadget> <output>12.5</output> <result>12.5</result>

12.5

x=187.5/3/5

ape210k__00615894

Solution ratio: x: (x+24)=4:6.

解比例：x：(x+24)=4：6．

<gadget id="calculator">4 / 6</gadget> <output>2/3 = around 0.666667</output> <gadget id="calculator">(2/3) * 24</gadget> <output>16</output> <gadget id="calculator">1 - (2/3)</gadget> <output>1/3 = around 0.333333</output> <gadget id="calculator">16 / (1/3)</gadget> <output>48</output> <result>48</result>

48

x=(4/6*24)/(1-4/6)

ape210k__01137653

To build a road, the ones that have been built are the ones that have not been repaired (5/7), so how much less is the one that has been repaired than the one that has not been repaired?

修一条公路，已修的是未修的(5/7)，那么已修的比未修的少多少？

<gadget id="calculator">5 + 7</gadget> <output>12</output> <gadget id="calculator">7 / 12</gadget> <output>7/12 = around 0.583333</output> <gadget id="calculator">5 / 12</gadget> <output>5/12 = around 0.416667</output> <gadget id="calculator">(7/12) - (5/12)</gadget> <output>1/6 = around 0.166667</output> <gadget id="calculator">(1/6) / (7/12)</gadget> <output>2/7 = around 0.285714</output> <result>2/7 = around 0.285714</result>

2/7

x=((7/(5+7))-(5/(5+7)))/(7/(5+7))

ape210k__00914101

The radius of the bottom surface of a bucket without a lid is 3 decimeters, and the height is 5 decimeters. If such a pair of buckets are to be prepared, how much iron sheet should be prepared at least?

一个无盖水桶的底面半径是3分米，高是5分米，如果要做这样一对水桶至少准备多少铁皮？

<gadget id="calculator">3 ** 2</gadget> <output>9</output> <gadget id="calculator">3.14 * 9</gadget> <output>28.26</output> <gadget id="calculator">3 * 2</gadget> <output>6</output> <gadget id="calculator">3.14 * 6 * 5</gadget> <output>94.2</output> <gadget id="calculator">28.26 + 94.2</gadget> <output>122.46</output> <gadget id="calculator">122.46 * 2</gadget> <output>244.92</output> <result>244.92</result>

244.92

x=(3.14*3**2+3.14*(3*2)*5)*2

ape210k__00392303

The price of a ball is 6 yuan, and the price of a basketball is 13 times less than that of a ball. What is the price of a basketball?

一个皮球的价钱是6元，一个篮球的价钱比皮球的13倍少一些，篮球的价钱可能是多少多少元

<result>70</result>

70

x=70

ape210k__00454616

Students clean the classroom, the students in group A can finish cleaning in 1/3 hour, and the students in group B can finish cleaning in 1/4 hour. How long does it take for two people to clean at the same time?

同学们打扫教室，甲组同学(1/3)小时可以打扫完，乙组同学(1/4)小时可以打扫完．两人同时打扫，需要多长时间才能打扫完？

<gadget id="calculator">1 / 3</gadget> <output>1/3 = around 0.333333</output> <gadget id="calculator">1 / (1/3)</gadget> <output>3</output> <gadget id="calculator">1 / 4</gadget> <output>1/4 = around 0.25</output> <gadget id="calculator">1 / (1/4)</gadget> <output>4</output> <gadget id="calculator">3 + 4</gadget> <output>7</output> <gadget id="calculator">1 / 7</gadget> <output>1/7 = around 0.142857</output> <result>1/7 = around 0.142857</result>

1/7

x=1/(1/(1/3)+1/(1/4))

ape210k__01123217

There are 12 people from Class 6 and 2 to participate in the tree planting activity. Each of the girls planted 2 trees, and each of the boys planted 3 trees. A total of 33 trees were planted. How many boys are there?

六二班有12人参加植树活动．女生每人栽了2棵树，男生每人栽了3棵树，一共栽了33棵树．男生有多少人．

<gadget id="calculator">12 * 3</gadget> <output>36</output> <gadget id="calculator">36 - 33</gadget> <output>3</output> <gadget id="calculator">3 - 2</gadget> <output>1</output> <gadget id="calculator">3 / 1</gadget> <output>3</output> <gadget id="calculator">12 - 3</gadget> <output>9</output> <result>9</result>

9

x=12-(12*3-33)/(3-2)

ape210k__00251463

The two sides of a triangle are 4 cm and 8 cm respectively, how many centimeters can the third side be.

一个三角形的两条边分别是4厘米和8厘米，第三条边可以是多少厘米．

<result>5</result>

5

x=5

ape210k__00226277

If a piece of wood is sawed into 6 sections, and the time taken to saw each section is equal, then the time taken to saw one section is the time it takes to saw the wood

把一根木头锯成6段，锯每一段所用的时间相等，那么锯一段所用的时间是锯完这根木头所用时间的多少

<gadget id="calculator">6 - 1</gadget> <output>5</output> <gadget id="calculator">1 / 5</gadget> <output>1/5 = around 0.2</output> <result>1/5 = around 0.2</result>

1/5

x=1/(6-1)

ape210k__00525624

A cylinder, if its height is shortened by 2 centimeters, the surface area will be reduced by 62.8 square centimeters, and the volume will be reduced by how many cubic centimeters.

一个圆柱体，如果把它的高截短了2厘米，表面积就减少了62.8平方厘米，体积就减少多少立方厘米．

<gadget id="calculator">62.8 / 2 / 3.14 / 2</gadget> <output>5</output> <gadget id="calculator">5 ** 2</gadget> <output>25</output> <gadget id="calculator">3.14 * 25 * 2</gadget> <output>157</output> <result>157</result>

157

x=3.14*(62.8/2/3.14/2)**2*2

ape210k__01073439

On a sunny morning, the first study group of Class 1, Class 6 came to the playground to measure the height of the national flag pole. Xiaohong prepared a 2-meter-long pole and stood it on the ground. The shadow length of the pole was measured to be 4.8 meters. At the same time, Xiaodong measured the shadow length of the flagpole to be 26.4 meters. Please find the national flag of Xiaohong’s school. The actual height of the flagpole.

阳光明媚的早晨，六1班第一学习小组来到操场上准备测量国旗杆的高度．小红准备了一根2米长的标杆，立在地上，量出标杆的影长是4.8米，同时间，小东量出国旗杆的影长是26.4米，请你求出小红学校的国旗杆的实际高度．

<gadget id="calculator">2 / 4.8</gadget> <output>0.416667</output> <gadget id="calculator">0.416667 * 26.4</gadget> <output>11.000009</output> <result>11.000009</result>

11.000009

x=(2/4.8*26.4)

ape210k__01101649

The printing factory needs to print 160,000 workbooks, which need to be completed within 3 days. All (3/8) of the first day are completed, and all (1/4) of the second day are completed. How many copies should be completed on the third day.

印刷厂要印刷16万本作业本，需要在3天内完成，第一天完成了全部的(3/8)，第二天完成了全部的(1/4)，第三天应完成多少本．

<gadget id="calculator">3 / 8</gadget> <output>3/8 = around 0.375</output> <gadget id="calculator">1 / 4</gadget> <output>1/4 = around 0.25</output> <gadget id="calculator">1 - (3/8) - (1/4)</gadget> <output>3/8 = around 0.375</output> <gadget id="calculator">16 * (3/8)</gadget> <output>6</output> <result>6</result>

6

x=16*(1-(3/8)-(1/4))

ape210k__00101409

The annual interest rate of the bank's three-year lump sum deposit and withdrawal is 4.5%. Mom deposits 25,000 yuan in the bank as a three-year lump sum deposit and withdrawal. How much money can mother get back when it expires? (Exemption from interest tax)

银行3年期整存整取的年利率是4.5%，妈妈将25000元按三年期整存整取存入银行，到期时妈妈可取回多少元？(免收利息税)

<gadget id="calculator">4.5 / 100</gadget> <output>0.045</output> <gadget id="calculator">25_000 * 0.045 * 3</gadget> <output>3_375</output> <gadget id="calculator">25_000 + 3_375</gadget> <output>28_375</output> <result>28_375</result>

28_375

x=25000+25000*4.5%*3

ape210k__00183119

The distance between A and B is 240 kilometers. A slow train departs from A and travels 60 kilometers per hour. At the same time, an express train departs from B and travels 90 kilometers per hour. The two vehicles travel in the same direction. The express train is behind the slow train. How many hours can the fast train catch up with the slow train?

甲、乙两地相距240千米，一列慢车从甲地出发，每小时行60千米，同时一列快车从乙地出发，每小时行90千米，两车同向行驶，快车在慢车后面，经过多少小时快车可以追上慢车？

<gadget id="calculator">90 - 60</gadget> <output>30</output> <gadget id="calculator">240 / 30</gadget> <output>8</output> <result>8</result>

8

x=240/(90-60)

ape210k__00232253

If a rope is folded in half 4 times, how many equal parts will it be divided into?

一根绳对折4次，一共分成多少段相等的部分．

<gadget id="calculator">2 * 2 * 2 * 2</gadget> <output>16</output> <result>16</result>

16

x=2*2*2*2

ape210k__00106864

Grandma raises 24 chickens, and the number of ducks is 16 more than chickens. There are 8 fewer geese than ducks. How many geese does grandma raise?

奶奶养了24只鸡，养鸭的只数比鸡多16只．养鹅的只数比鸭少8只．奶奶养了几只鹅？

<gadget id="calculator">16 - 8</gadget> <output>8</output> <gadget id="calculator">24 + 8</gadget> <output>32</output> <result>32</result>

32

x=24+16-8

ape210k__00313433

In a language test, the highest score in the class is 98 points, and the lowest score is 72 points. Each student's score is an integer, and at least 3 students have the same score. How many people are there in this class?

一次语文考试全班最高分98分，最低分72分，每位同学得分都是整数，且至少有3人成绩一样，这个班至少有多少人？

<gadget id="calculator">98 - 72</gadget> <output>26</output> <gadget id="calculator">26 + 1</gadget> <output>27</output> <gadget id="calculator">27 * 2</gadget> <output>54</output> <gadget id="calculator">54 + 1</gadget> <output>55</output> <result>55</result>

55

x=(98-72+1)*2+1

ape210k__00352906

In the 2004 Athens Olympics, Chinese athletes ranked second in the gold medal list with 32 gold medals, 4 more gold medals than the 2000 Sydney Olympics. The number of gold medals in the Sydney Olympics is the number of gold medals in the Athens Olympics (fill in a fraction) ．

在2004年雅典奥运会上中国健儿以32枚金牌荣登金牌榜第二名，比2000年悉尼奥运会多得4块金牌，悉尼奥运会的金牌数是雅典奥运会金牌数的多少(填几分之几)．

<gadget id="calculator">32 - 4</gadget> <output>28</output> <gadget id="calculator">28 / 32</gadget> <output>7/8 = around 0.875</output> <result>7/8 = around 0.875</result>

7/8

x=(32-4)/32

ape210k__01196215

Xiaohua rides a bicycle from home to grandma's house, traveling 200 meters per minute, and can get there in 9 minutes. Because of urgent matters, she needs to be 3 minutes ahead of time. What should be the speed of the car?

小华骑车从家到姥姥家，每分钟行200米，9分钟能到，由于有急事，要提前3分钟，车速应该是多少．

<gadget id="calculator">9 - 3</gadget> <output>6</output> <gadget id="calculator">9 / 6</gadget> <output>3/2 = around 1.5</output> <gadget id="calculator">200 * (3/2)</gadget> <output>300</output> <result>300</result>

300

x=200*9/(9-3)

ape210k__00339301

A rice seed germination test was carried out, and 500 rice seeds were cultivated, 15 of which did not germinate. Find the germination rate of the batch of seeds.

某水稻种子进行发芽试验，培育500粒稻谷种子，有15粒没有发芽．求这批种子的发芽率．

<gadget id="calculator">500 - 15</gadget> <output>485</output> <gadget id="calculator">485 / 500</gadget> <output>97/100 = around 0.97</output> <gadget id="calculator">100 / 100</gadget> <output>1</output> <gadget id="calculator">(97/100) * 1</gadget> <output>97/100 = around 0.97</output> <result>97/100 = around 0.97</result>

97/100

x=((500-15)/500)*100%

ape210k__00801221

Hongfeng Agricultural Machinery Factory planned to produce 500 pumps last year, but actually produced 625. By what percentage was it overfulfilled?

洪峰农机厂去年计划生产抽水机500台，实际生产625台．超额完成了百分之几？

<gadget id="calculator">625 - 500</gadget> <output>125</output> <gadget id="calculator">125 / 500</gadget> <output>1/4 = around 0.25</output> <result>1/4 = around 0.25</result>

1/4

x=(625-500)/500

ape210k__00736969

It takes (3/4) hours to finish homework every day, which is (1/6) hour faster than Lele, and (1/20) hours slower than Lele. How long did it take Huanhuan to finish homework?

天天用(3/4)小时做完家庭作业，比乐乐快(1/6)小时，欢欢比乐乐慢(1/20)小时，欢欢做完家庭作业用了多长时间？

<gadget id="calculator">3 / 4</gadget> <output>3/4 = around 0.75</output> <gadget id="calculator">1 / 6</gadget> <output>1/6 = around 0.166667</output> <gadget id="calculator">1 / 20</gadget> <output>1/20 = around 0.05</output> <gadget id="calculator">(3/4) + (1/6) + (1/20)</gadget> <output>29/30 = around 0.966667</output> <result>29/30 = around 0.966667</result>

29/30

x=(3/4)+(1/6)+(1/20)

ape210k__00279031

Column calculation: It is known that the product of two factors is (5/8), one factor is 15, how much is the other factor?

列式计算：已知两个因数的积是(5/8)，一个因数是15，求另一个因数多少？

<gadget id="calculator">5 / 8</gadget> <output>5/8 = around 0.625</output> <gadget id="calculator">(5/8) / 15</gadget> <output>1/24 = around 0.041667</output> <result>1/24 = around 0.041667</result>

1/24

x=(5/8)/15

ape210k__00394212

Calculation: 9.4*2.5-0.78/2.6.

计算：9.4*2.5-0.78/2.6．

<gadget id="calculator">9.4 * 2.5</gadget> <output>23.5</output> <gadget id="calculator">0.78 / 2.6</gadget> <output>0.3</output> <gadget id="calculator">23.5 - 0.3</gadget> <output>23.2</output> <result>23.2</result>

23.2

x=9.4*2.5-0.78/2.6

ape210k__00329853

Two workshops A and B of a garment factory rushed to produce a batch of school uniforms. Workshop A made 345 sets in 3 days, and workshop B made 330 sets in 3 days. On average, how many sets did workshop A make more than workshop B?

服装厂甲、乙两个车间赶制一批校服，甲车间3天做了345套，乙车间3天做了330套，平均每天甲车间比乙车间多做多少套？

<gadget id="calculator">345 / 3</gadget> <output>115</output> <gadget id="calculator">330 / 3</gadget> <output>110</output> <gadget id="calculator">115 - 110</gadget> <output>5</output> <result>5</result>

5

x=345/3-330/3

ape210k__00164118

A rectangle has a perimeter of 68 centimeters and a known length of 2.4 decimeters. What is the width in centimeters? (column equation solution)

一个长方形，周长是68厘米，已知长是2.4分米，宽是多少厘米？(列方程解答)

<gadget id="calculator">68 / 2</gadget> <output>34</output> <gadget id="calculator">2.4 * 10</gadget> <output>24</output> <gadget id="calculator">34 - 24</gadget> <output>10</output> <result>10</result>

10

x=(68/2-2.4*10)

ape210k__00912715

Put a bucket of boiling water in a water bottle. After filling 8 bottles, there is still (5/7) left in the bucket. If 10 bottles are filled, there is still 54 kilograms in the bucket. How many kilograms does this bucket of boiling water contain?

一桶开水，用水瓶去装，灌了8瓶后，桶内还剩下(5/7)，若灌了10瓶后桶内还剩下54千克，这桶开水原来有多少千克？

<gadget id="calculator">5 / 7</gadget> <output>5/7 = around 0.714286</output> <gadget id="calculator">1 - (5/7)</gadget> <output>2/7 = around 0.285714</output> <gadget id="calculator">8 / (2/7)</gadget> <output>28</output> <gadget id="calculator">28 - 10</gadget> <output>18</output> <gadget id="calculator">54 / 18</gadget> <output>3</output> <gadget id="calculator">3 * 28</gadget> <output>84</output> <result>84</result>

84

x=54/((8/(1-(5/7)))-10)*(8/(1-(5/7)))

ape210k__00599703

Two teams, A and B, jointly build a road. A can complete the project in 10 days (1/12), and B can complete it in 80 days. How many days can the two teams jointly complete?

甲乙两队合修一条公路，甲独修10天完成(1/12)，乙独修80天可以完成，两队合修多少天可以完成？

<gadget id="calculator">1 / 12</gadget> <output>1/12 = around 0.083333</output> <gadget id="calculator">(1/12) / 10</gadget> <output>1/120 = around 0.008333</output> <gadget id="calculator">1 / 80</gadget> <output>1/80 = around 0.0125</output> <gadget id="calculator">(1/120) + (1/80)</gadget> <output>1/48 = around 0.020833</output> <gadget id="calculator">1 / (1/48)</gadget> <output>48</output> <result>48</result>

48

x=1/((1/12)/10+(1/80))

ape210k__00949529

The sum of 7 times a number and one-fifth of it is 108. Find this number. (solution by equation)

一个数的7倍与它的五分之一的和是108，求这个数．(用方程解)

<gadget id="calculator">1 / 5</gadget> <output>1/5 = around 0.2</output> <gadget id="calculator">7 + (1/5)</gadget> <output>36/5 = around 7.2</output> <gadget id="calculator">108 / (36/5)</gadget> <output>15</output> <result>15</result>

15

x=108/(7+1/5)

ape210k__00688143

There is a project that A alone can complete in 12 days, and B alone can complete it in 15 days. After two people work together for 4 days, A is transferred away for some reason, and B works alone. How many days will it take to complete the task?

有一项工程，甲独做12天完成，乙独做15天完成．两人合做4天后，甲因故调走，由乙独做，还要几天才能完成任务？

<gadget id="calculator">1 / 12</gadget> <output>1/12 = around 0.083333</output> <gadget id="calculator">1 / 15</gadget> <output>1/15 = around 0.066667</output> <gadget id="calculator">(1/12) + (1/15)</gadget> <output>3/20 = around 0.15</output> <gadget id="calculator">(3/20) * 4</gadget> <output>3/5 = around 0.6</output> <gadget id="calculator">1 - (3/5)</gadget> <output>2/5 = around 0.4</output> <gadget id="calculator">(2/5) / (1/15)</gadget> <output>6</output> <result>6</result>

6

x=(1-((1/12)+(1/15))*4)/(1/15)

ape210k__00989387

The total length from A to B is 42 kilometers. From A to B, according to the regulations of the Price Bureau, the fee is 12.5 yuan for the first 3 kilometers, and 2.5 yuan for each kilometer thereafter. How much does he have to pay in total?

从甲地到乙地全长42千米，小李从甲到乙，按物价局规定，前3千米收费12.5元，以后每千米收2.5元，一共要付多少元？

<gadget id="calculator">42 - 3</gadget> <output>39</output> <gadget id="calculator">39 * 2.5</gadget> <output>97.5</output> <gadget id="calculator">97.5 + 12.5</gadget> <output>110</output> <result>110</result>

110

x=(42-3)*2.5+12.5

ape210k__00242202

The number of people in the sixth (five) class, no matter in a three-way column, a four-way column, or a five-way column, must be short of 2 people. Six (five) classes have at least how many students.

六(五)班的人数，不管排成三路纵队、四路纵队，还是五路纵队，都要缺2人．六(五)班至少有学生多少人．

<gadget id="calculator">3 * 4 * 5</gadget> <output>60</output> <gadget id="calculator">60 - 2</gadget> <output>58</output> <result>58</result>

58

x=3*4*5-2

ape210k__00970141

There are 56 students in Class 5 and 2. In a test, 34 students answered the first question correctly, 29 students answered the second question correctly, and 15 students answered both questions correctly.

五2班有56个学生，在一次测验中，答对第一题的34人，答对第二题的29人，两题都答对的15人，那么，两题都不对的有多少人．

<gadget id="calculator">56 - 34 - 29</gadget> <output>-7</output> <gadget id="calculator">(-7) + 15</gadget> <output>8</output> <result>8</result>

8

x=56-34-29+15

ape210k__00016550

To make a cuboid wooden box without a cover, the length is 5 decimeters, the width is 3 decimeters, and the height is 1 decimeter.

做一个不带盖的长方体木箱，长5分米，宽3分米，高1分米，至少需要多少平方分米木板．

<gadget id="calculator">5 * 3</gadget> <output>15</output> <gadget id="calculator">5 * 1 * 2</gadget> <output>10</output> <gadget id="calculator">3 * 1 * 2</gadget> <output>6</output> <gadget id="calculator">15 + 10 + 6</gadget> <output>31</output> <result>31</result>

31

x=5*3+5*1*2+3*1*2

ape210k__00301435

This year, the sum of the ages of Li Lin and his father is 50 years old. After 4 years, his father's age is 2 years younger than three times his age. How much older is Li Lin's father than him?

今年，李林和他爸爸的年龄的和是50岁，4年后，他爸爸的年龄比他的年龄的3倍小2岁，则李林的爸爸比他大多少岁．

<gadget id="calculator">4 * 2</gadget> <output>8</output> <gadget id="calculator">2 + 50 + 8</gadget> <output>60</output> <gadget id="calculator">1 + 3</gadget> <output>4</output> <gadget id="calculator">60 / 4</gadget> <output>15</output> <gadget id="calculator">3 * 15</gadget> <output>45</output> <gadget id="calculator">45 - 2 - 15</gadget> <output>28</output> <result>28</result>

28

x=3*(2+50+4*2)/(1+3)-2-(2+50+4*2)/(1+3)

ape210k__00585789

Two cities A and B are driving in opposite directions at the same time. The two cars meet for the first time at a distance of 50 kilometers from city A. After arriving at the station, they return separately and meet again at a distance of 40 kilometers from city B. What is the distance in kilometers between cities A and B?

A、B两城同时对开客车，两车第一次在距离A城50千米处相遇，到站后各自返回，在距离B城40千米处又相遇．求A、B两城相距多少千米？

<gadget id="calculator">50 * 3</gadget> <output>150</output> <gadget id="calculator">150 - 40</gadget> <output>110</output> <result>110</result>

110

x=50*3-40

ape210k__01170059

The fruit shop shipped 3,500 kilograms of pears. It is known that the pears shipped are 100 kilograms less than twice the amount of apples. How many kilograms of apples are shipped?

水果店运来梨子3500千克，已知运来的梨子比苹果的2倍少100千克，运来苹果多少千克？

<gadget id="calculator">3_500 + 100</gadget> <output>3_600</output> <gadget id="calculator">3_600 / 2</gadget> <output>1_800</output> <result>1_800</result>

1_800

x=(3500+100)/2

ape210k__00483020

In a subtraction, if the minuend is increased by 70 and the difference is decreased by 20, how much is the subtrahend increased.

在一个减法算式中，如果被减数增加70，差减少20，那么减数增加多少．

<gadget id="calculator">70 + 20</gadget> <output>90</output> <result>90</result>

90

x=70+20

ape210k__00070248

The diameter of the wheel of the bicycle is 60 cm, how many times does the wheel roll after driving 1884 meters?

自行车的车轮直径长为60厘米，行驶1884米后车轮共滚了多少周．

<gadget id="calculator">3.14 * 0.6</gadget> <output>1.884</output> <gadget id="calculator">1_000 / 1.884</gadget> <output>530.785563</output> <gadget id="calculator">1.884 * 530.785563</gadget> <output>1_000.000001</output> <result>1_000.000001</result>

1_000.000001

x=1.884*1000/(3.14*0.6)

ape210k__00857407

The school built a new teaching building with 4 floors, 5 classrooms on each floor, and 12 fluorescent lamps installed in each classroom. How many fluorescent lamps are installed in this teaching building?

学校新建了一幢教学楼，共4层，每层有5间教室，每间教室里安装了12盏日光灯．这幢教学楼一共安装了多少盏日光灯？

<gadget id="calculator">4 * 5 * 12</gadget> <output>240</output> <result>240</result>

240

x=4*5*12