一列快车长200米，一列慢车长280米，两车在双轨铁路上同向而行，从快车车头与慢车车尾相遇到快车车尾与慢车车头相离，共用160秒．坐在快车上的人看到有49棵树从车窗边掠过，相遇、相离时正好各有一棵掠过，如果每两棵树距离60米(树的粗细不计)，那么慢车的速度是每秒多少米．

An express train is 200 meters long and a slow train is 280 meters long. The two trains travel in the same direction on a double-track railway. From the time when the front of the express train meets the rear of the local train to the time when the rear of the express train separates from the front of the local train, it takes 160 seconds. A person sitting on the express train sees 49 trees passing by the window, and when they meet and separate, there is exactly one passing by. If the distance between every two trees is 60 meters (regardless of the thickness of the trees), then the speed of the slow train How many meters per second.

<gadget id="calculator">49 - 1</gadget>
<output>48</output>
<gadget id="calculator">48 / 160</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">60 * (3/10)</gadget>
<output>18</output>
<gadget id="calculator">200 + 280</gadget>
<output>480</output>
<gadget id="calculator">480 / 160</gadget>
<output>3</output>
<gadget id="calculator">18 - 3</gadget>
<output>15</output>
<result>15</result>


1436与3991的和除以27，得多少？

What is the sum of 1436 and 3991 divided by 27?

<gadget id="calculator">1_436 + 3_991</gadget>
<output>5_427</output>
<gadget id="calculator">5_427 / 27</gadget>
<output>201</output>
<result>201</result>


要画一个周长为6.28分米的圆，圆规两脚尖的距离是多少．

To draw a circle with a circumference of 6.28 decimeters, what is the distance between the two toes of the compass?

<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>
<result>1</result>


一个数的(3/5)是60，这个数的(7/10)是多少．

(3/5) of a number is 60, what is (7/10) of this number.

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">60 / (3/5)</gadget>
<output>100</output>
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">100 * (7/10)</gadget>
<output>70</output>
<result>70</result>


有一副扑克牌中(去掉大、小王)，最少取多少张牌就可以保证其中3张牌的点数相同．

In a deck of poker cards (remove the big and small kings), how many cards are taken at least to ensure that 3 of the cards have the same points.

<gadget id="calculator">52 / 4</gadget>
<output>13</output>
<gadget id="calculator">13 * 2</gadget>
<output>26</output>
<gadget id="calculator">26 + 1</gadget>
<output>27</output>
<result>27</result>


小红有42张邮票，比小芳的2倍少8张．小芳有多少张邮票？多少张

Xiaohong has 42 stamps, 8 less than Xiaofang's twice. How many stamps does Xiaofang have? how many

<gadget id="calculator">42 + 8</gadget>
<output>50</output>
<gadget id="calculator">50 / 2</gadget>
<output>25</output>
<result>25</result>


一个分数，分子比分母少18，约分后是(2/5)，原来这个分数是多少．

For a fraction, the numerator is 18 less than the denominator, and the fraction is (2/5). What is the original fraction?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<result>2/5 = around 0.4</result>


母鸡的(3/4)是小鸡的只数，关系式：多少．

(3/4) of the hen is the number of chicks, the relational expression: how many.

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<result>3/4 = around 0.75</result>


一个圆的周长是31.4厘米，它的面积是多少平方厘米．

If the circumference of a circle is 31.4 cm, what is its area in square centimeters?

<gadget id="calculator">31.4 / 3.14 / 2</gadget>
<output>5</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">3.14 * 25</gadget>
<output>78.5</output>
<result>78.5</result>


第一堆橘子有314个，第二堆有296个，从第一堆拿走多少个橘子给第二堆，两堆橘子数量相同？

There are 314 oranges in the first pile and 296 in the second pile. How many oranges are taken from the first pile and given to the second pile, and the number of oranges in the two piles is the same?

<gadget id="calculator">314 + 296</gadget>
<output>610</output>
<gadget id="calculator">610 / 2</gadget>
<output>305</output>
<gadget id="calculator">314 - 305</gadget>
<output>9</output>
<result>9</result>


一个篮球队，五名队员A，B，C，D，E，由于某种原因，C不能做中锋，D不能做控球后卫，而其余3个可以分配到五个位置的任何一个上，共有多少种不同的站法．

A basketball team, five players A, B, C, D, E, for some reason, C can not be a center, D can not be a point guard, and the remaining 3 can be assigned to any one of the five positions, a total of How many different station methods.

<gadget id="calculator">120 - 24 - 24</gadget>
<output>72</output>
<gadget id="calculator">72 + 6</gadget>
<output>78</output>
<result>78</result>


学校要粉刷教室．已知教室长是8米，宽6米，高3米，扣除门窗是22.4平方米．如果每平方米需要5元涂料费，粉刷这个教室需花多少元？

The school has to paint the classrooms. It is known that the length of the classroom is 8 meters, the width is 6 meters, and the height is 3 meters. After deducting the doors and windows, it is 22.4 square meters. If the paint fee is 5 yuan per square meter, how much will it cost to paint this classroom?

<gadget id="calculator">8 * 6</gadget>
<output>48</output>
<gadget id="calculator">8 * 3</gadget>
<output>24</output>
<gadget id="calculator">6 * 3</gadget>
<output>18</output>
<gadget id="calculator">24 + 18</gadget>
<output>42</output>
<gadget id="calculator">42 * 2</gadget>
<output>84</output>
<gadget id="calculator">84 - 22.5</gadget>
<output>61.5</output>
<gadget id="calculator">48 + 61.5</gadget>
<output>109.5</output>
<gadget id="calculator">109.5 * 5</gadget>
<output>547.5</output>
<result>547.5</result>


甲乙两车分别从A地、B地同时相对开出．甲乙两车的速度比是2：3，4小时后两车相遇，相遇时乙车共行驶了480千米，甲车平均每小时行多少千米？

Two cars, A and B, leave from A and B at the same time. The speed ratio of car A and car B is 2:3. After 4 hours, the two cars meet. When they meet, car B travels a total of 480 kilometers. How many kilometers does car A travel on average per hour?

<gadget id="calculator">480 / 3</gadget>
<output>160</output>
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">160 * (1/2)</gadget>
<output>80</output>
<result>80</result>


有一个6位数，它的个位数字是6，如果将6移至第一位前面时所得到的新的六位数是原数的4倍．那么这个6位数是多少．

There is a 6-digit number whose single digit is 6. If 6 is moved to the front of the first digit, the new six-digit number obtained is 4 times the original number. So what is this 6-digit number?


A、B两地间有一条公路长2800米，甲车从A地出发5分钟后，乙车从B地出发，又经过10分钟两车相遇，已知乙车每分钟行100米，甲车每分钟行多少米？

There is a highway between A and B with a length of 2800 meters. Car A starts from point A for 5 minutes, and car B starts from point B. After another 10 minutes, the two cars meet. It is known that car B travels 100 meters per minute, and car A How many meters per minute?

<gadget id="calculator">100 * 10</gadget>
<output>1_000</output>
<gadget id="calculator">2_800 - 1_000</gadget>
<output>1_800</output>
<gadget id="calculator">10 + 5</gadget>
<output>15</output>
<gadget id="calculator">1_800 / 15</gadget>
<output>120</output>
<result>120</result>


张大妈家上个月用了8吨水，水费是12.8元．照这样计算，隔壁李奶奶家上个月用了10吨水，应缴水费多少元？(用比例知识解答．)

Aunt Zhang’s family used 8 tons of water last month, and the water bill was 12.8 yuan. Based on this calculation, Grandma Li’s house next door used 10 tons of water last month, how much should I pay for the water? (Use proportion knowledge to answer.)

<gadget id="calculator">12.8 / 8</gadget>
<output>1.6</output>
<gadget id="calculator">1.6 * 10</gadget>
<output>16</output>
<result>16</result>


两筐同样重的苹果，从第一筐中取出7.5千克放入第二筐，这时第一筐苹果的重量正好是第二筐的40%．原来每筐苹果重多少千克？

Two baskets of apples with the same weight, 7.5 kg are taken from the first basket and put into the second basket. At this time, the weight of the apples in the first basket is exactly 40% of the weight of the second basket. How many kilograms does each basket of apples weigh?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">7.5 * (2/5)</gadget>
<output>3</output>
<gadget id="calculator">3 + 7.5</gadget>
<output>10.5</output>
<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">10.5 / (3/5)</gadget>
<output>17.5</output>
<result>17.5</result>


师徒二个同时加工920个零件，8天完成，师傅每天加工65个零件，徒弟每天加工多少个？

The two masters and apprentices processed 920 parts at the same time, and it was completed in 8 days. The master processed 65 parts every day, how many parts did the apprentice process every day?

<gadget id="calculator">920 / 8</gadget>
<output>115</output>
<gadget id="calculator">115 - 65</gadget>
<output>50</output>
<result>50</result>


一根铁丝第一次用去全长的10%，第二次用去全长的25%，还剩全长的多少

A wire uses 10% of its total length for the first time, and 25% of its total length for the second time, what is the remaining total length

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/10) - (1/4)</gadget>
<output>13/20 = around 0.65</output>
<result>13/20 = around 0.65</result>


一次数学竞赛共10题，规定答对一题得5分，答错一题倒扣2分，小明做了全部的10题但只得了29分，小明答对了几题？

There are 10 questions in a math competition. It is stipulated that 5 points will be awarded for each correct answer, and 2 points will be deducted for each wrong answer. Xiao Ming did all 10 questions but only scored 29 points. How many questions did Xiao Ming answer correctly?

<gadget id="calculator">5 * 10</gadget>
<output>50</output>
<gadget id="calculator">50 - 29</gadget>
<output>21</output>
<gadget id="calculator">5 + 2</gadget>
<output>7</output>
<gadget id="calculator">21 / 7</gadget>
<output>3</output>
<gadget id="calculator">10 - 3</gadget>
<output>7</output>
<result>7</result>


奶奶家后院有一块正方形菜地，边长是8米，四周要围上篱笆，篱笆需要多少米．

There is a square vegetable field in the backyard of my grandma's house, the side length is 8 meters, and the fence needs to be surrounded by a fence. How many meters does the fence need?

<gadget id="calculator">8 * 4</gadget>
<output>32</output>
<result>32</result>


用1、2、5三张数字卡片，可以组成多少个不同的三位数．

How many different three-digit numbers can be formed by using three number cards of 1, 2, and 5?

<gadget id="calculator">3 * 2 * 1</gadget>
<output>6</output>
<result>6</result>


新星小学"环保卫士"小分队15人参加植树活动．男同学每人栽3棵树，女同学每人栽2棵树，一共栽了40棵树．男同学有多少人．

15 people from Xinxing Elementary School's "Environmental Guard" team participated in the tree planting activity. The male students planted 3 trees each, and the female students planted 2 trees each, for a total of 40 trees. How many male students are there?

<gadget id="calculator">15 * 3</gadget>
<output>45</output>
<gadget id="calculator">45 - 40</gadget>
<output>5</output>
<gadget id="calculator">3 - 2</gadget>
<output>1</output>
<gadget id="calculator">5 / 1</gadget>
<output>5</output>
<gadget id="calculator">15 - 5</gadget>
<output>10</output>
<result>10</result>


一个水池的底面是正方形，底面边长为5m，深为2m，这个水池的占地面积是多少平方米？

A pool has a square bottom with a side length of 5m and a depth of 2m. What is the area of the pool in square meters?

<gadget id="calculator">5 * 5</gadget>
<output>25</output>
<result>25</result>


星期六，动物园上午有543人来游玩，中午有256离开，下午又来了308人．这一天动物园一共来了多少人？

On Saturday, 543 people came to the zoo in the morning, 256 left at noon, and 308 people came in the afternoon. How many people came to the zoo that day?

<gadget id="calculator">543 + 308</gadget>
<output>851</output>
<result>851</result>


机床厂七月份生产机床245台，八月份比七月份增产(1/5)，八月份比七月份增产多少台？

The machine tool factory produced 245 machine tools in July, and the production in August increased by 1/5 compared with July. How many units increased in August than in July?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">245 * (1/5)</gadget>
<output>49</output>
<result>49</result>


两个工程队合修一条公路．甲队完成的比全长的(1/2)还多9.8千米，乙队完成的相当甲队的(2/3)．这条公路长多少千米？

Two engineering teams work together to build a road. Team A completed 9.8 kilometers more than the full length (1/2), and Team B completed (2/3) as much as Team A. How many kilometers is this road?

<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(3/5) - (1/2)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">9.8 / (1/10)</gadget>
<output>98</output>
<result>98</result>


田园小学团体操表演徘队，若排成正方形，则多出12名学生．如果把这个正方形扩大横纵每排各增加一人，则少9人．算一算，田园小学参加表演的共有多少名学生？

If the group gymnastics performance team of Tianyuan Primary School is arranged in a square, there will be 12 more students. If we expand the square and add one person in each row horizontally and vertically, there will be 9 fewer people. Do the math, how many students from Tianyuan Elementary School participated in the performance?

<gadget id="calculator">9 - 1</gadget>
<output>8</output>
<gadget id="calculator">12 + 8</gadget>
<output>20</output>
<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">10 * 10</gadget>
<output>100</output>
<gadget id="calculator">100 + 12</gadget>
<output>112</output>
<result>112</result>


布袋里有红黑球各10个，用手进去摸，至少摸多少球，可以保证摸出红球的(1/5)．

There are 10 red and 10 black balls in the cloth bag. Use your hands to touch, at least how many balls you touch, you can guarantee to touch the red ball (1/5).

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">10 * (1/5)</gadget>
<output>2</output>
<gadget id="calculator">10 + 2</gadget>
<output>12</output>
<result>12</result>


客车和货车同时从相距360千米的两地相对开出，经过2.4小时两车相遇，已知客车每小时行80千米，你知道货车每小时行多少千米吗？

The passenger car and the truck leave from two places 360 kilometers apart at the same time. After 2.4 hours, the two cars meet. It is known that the passenger car travels 80 kilometers per hour. Do you know how many kilometers per hour the truck travels?

<gadget id="calculator">80 * 2.4</gadget>
<output>192</output>
<gadget id="calculator">360 - 192</gadget>
<output>168</output>
<gadget id="calculator">168 / 2.4</gadget>
<output>70</output>
<result>70</result>


小明从家到学校用了7.5分钟，已知小明每分钟走路86.2米，那么小明家距离学校多少米．

It took Xiao Ming 7.5 minutes to go from home to school. It is known that Xiao Ming walks 86.2 meters per minute, so how far is Xiao Ming's home from the school?

<gadget id="calculator">86.2 * 7.5</gadget>
<output>646.5</output>
<result>646.5</result>


一根铁丝，第一次剪去它的(1/2)，第二次剪去剩下的(1/3)，第三次再剪去剩下的(1/4)，第四次剪去剩下的(1/5)…，剪了99次后剩下铁丝是原来的几分之几？

A piece of iron wire, cut off its (1/2) for the first time, cut off the rest (1/3) for the second time, cut off the rest (1/4) for the third time, and cut off the rest (1/4) for the fourth time. Remove the rest (1/5)... What fraction of the original wire is left after cutting 99 times?


甲数是10，比乙数多2，甲数比乙数多多少．

The number A is 10, which is 2 more than the number B. How much more is the number A than the B number?

<gadget id="calculator">10 - 2</gadget>
<output>8</output>
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


学校兴趣小组的同学参加数学竞赛，得100分的有4人；得99分的有3人；得97分的有3人；得96分的有4人．这次数学竞赛中，学校数学小组的同学平均分为多少分．

The students in the school interest group participated in the mathematics competition. 4 people got 100 points; 3 people got 99 points; 3 people got 97 points; 4 people got 96 points. In this mathematics competition, what is the average score of the students in the school mathematics group?

<gadget id="calculator">100 * 4</gadget>
<output>400</output>
<gadget id="calculator">99 * 3</gadget>
<output>297</output>
<gadget id="calculator">97 * 3</gadget>
<output>291</output>
<gadget id="calculator">96 * 4</gadget>
<output>384</output>
<gadget id="calculator">400 + 297 + 291 + 384</gadget>
<output>1_372</output>
<gadget id="calculator">4 + 3 + 3 + 4</gadget>
<output>14</output>
<gadget id="calculator">1_372 / 14</gadget>
<output>98</output>
<result>98</result>


春芽童装厂原有450人，其中女工占36%，今年又招进一批女工，这时女工人数占全厂人数的(2/5)，今年招进女工多少人？

Chunya Children's Clothing Factory originally had 450 employees, of which 36% were female workers. This year, a group of female workers were recruited. At this time, female workers accounted for 2/5 of the total factory workforce. How many female workers were recruited this year?

<gadget id="calculator">36 / 100</gadget>
<output>9/25 = around 0.36</output>
<gadget id="calculator">1 - (9/25)</gadget>
<output>16/25 = around 0.64</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(16/25) / (3/5)</gadget>
<output>16/15 = around 1.066667</output>
<gadget id="calculator">450 * (16/15)</gadget>
<output>480</output>
<gadget id="calculator">480 - 450</gadget>
<output>30</output>
<result>30</result>


7：9的后项要增加18，要使比值不变，前项就增加多少

The latter term of 7:9 needs to be increased by 18, and the former term should be increased by the same amount to keep the ratio constant

<gadget id="calculator">9 + 18</gadget>
<output>27</output>
<gadget id="calculator">27 / 9</gadget>
<output>3</output>
<gadget id="calculator">7 * 3</gadget>
<output>21</output>
<gadget id="calculator">21 - 7</gadget>
<output>14</output>
<result>14</result>


一个等腰梯形的腰长是6厘米，它的下底是10厘米，上底是下底的一半，这个梯形的周长是多少厘米．

The waist length of an isosceles trapezoid is 6 cm, its lower base is 10 cm, and its upper base is half of the lower base. What is the perimeter of this trapezoid in cm?

<gadget id="calculator">6 * 2</gadget>
<output>12</output>
<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">12 + 5 + 10</gadget>
<output>27</output>
<result>27</result>


泸源高中为了做好今年扩招的准备工作，学校财务处老师带了一些钱去采购新生的课桌椅，通过询问带去的钱只够买45张课桌或55条椅子，已知每套课桌椅200元．请你帮算一算，学校财务处老师带了多少钱去采购课桌椅？

In order to prepare for the expansion of enrollment this year, Luyuan High School’s teacher from the finance department brought some money to purchase desks and chairs for new students. The money he brought through inquiries was only enough to buy 45 desks or 55 chairs. It is known that each set Desks and chairs 200 yuan. Please do the math, how much money did the school finance teacher bring to purchase desks and chairs?

<gadget id="calculator">1 / 45</gadget>
<output>1/45 = around 0.022222</output>
<gadget id="calculator">1 / 55</gadget>
<output>1/55 = around 0.018182</output>
<gadget id="calculator">(1/45) + (1/55)</gadget>
<output>4/99 = around 0.040404</output>
<gadget id="calculator">1 / (4/99)</gadget>
<output>99/4 = around 24.75</output>
<gadget id="calculator">(99/4) * 200</gadget>
<output>4_950</output>
<result>4_950</result>


一个平行四边形和一个三角形的面积相等；底也相等，平行四边形的高是6.5厘米；这个三角形的高是多少．

parallelogram and a triangle have the same area; the bases are also equal, the height of the parallelogram is 6.5 cm; what is the height of the triangle.

<gadget id="calculator">6.5 * 2</gadget>
<output>13</output>
<result>13</result>


某饲养场养了2400只鹅，鸭的只数是鹅的(3/4)，鸡的只数是鸭的(7/5)，饲养场养了多少只鸡？

A farm raises 2400 geese, the number of ducks is 3/4 of that of geese, and the number of chickens is 7/5 of that of ducks. How many chickens are raised in the farm?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>
<gadget id="calculator">2_400 * (3/4) * (7/5)</gadget>
<output>2_520</output>
<result>2_520</result>


某工厂生产了2000件产品，合格率为95%，合格的产品数是多少件．

A factory has produced 2000 pieces of products, and the qualified rate is 95%, how many pieces are qualified?

<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>
<gadget id="calculator">2_000 * (19/20)</gadget>
<output>1_900</output>
<result>1_900</result>


<gadget id="calculator">28.67 * 67</gadget>
<output>1_920.89</output>
<gadget id="calculator">32 * 28.67</gadget>
<output>917.44</output>
<gadget id="calculator">573.4 * 0.05</gadget>
<output>28.67</output>
<gadget id="calculator">1_920.89 + 917.44 + 28.67</gadget>
<output>2_867</output>
<result>2_867</result>


一个长方体的体积是30立方厘米，长是5厘米，高是3厘米，宽是多少厘米．

A cuboid has a volume of 30 cubic centimeters, a length of 5 centimeters, a height of 3 centimeters, and a width of 3 centimeters.

<gadget id="calculator">5 * 3</gadget>
<output>15</output>
<gadget id="calculator">30 / 15</gadget>
<output>2</output>
<result>2</result>


一只锅同时只能烙2张饼，每张饼两面都要烙，每面需要2分钟，烙3张饼最少需要多少分钟．

One pan can only bake 2 cakes at the same time, each cake needs to be baked on both sides, each side takes 2 minutes, how many minutes is the minimum time needed to bake 3 cakes.

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


甲数是80，比乙数少20%，乙数是多少？

A's number is 80, which is 20% less than B's number. What is B's number?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">80 / (4/5)</gadget>
<output>100</output>
<result>100</result>


小林家养了一些鸡，黄鸡比黑鸡多15只，白鸡比黄鸡多13只，白鸡比黑鸡多几只？

Xiaolin's family raised some chickens. There were 15 more yellow chickens than black chickens, 13 more white chickens than yellow chickens, and how many more white chickens than black chickens?

<gadget id="calculator">13 + 15</gadget>
<output>28</output>
<result>28</result>


小亮的储蓄箱中有18元，小华储蓄的钱是小亮的(5/6)．小新储蓄的钱是小华的(2/3)．小新储蓄了多少元？

There is 18 yuan in Xiaoliang's savings box, and the money saved by Xiaohua belongs to Xiaoliang (5/6). The money saved by Xiaoxin belongs to Xiaohua (2/3). How much did Xiaoxin save?

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">18 * (5/6) * (2/3)</gadget>
<output>10</output>
<result>10</result>


一个圆柱底面直径是2分米，把它的侧面展开正好是一个正方形，这个圆柱的高是多少分米．

The diameter of the base of a cylinder is 2 decimeters, and its side surface is exactly a square, what is the height of the cylinder in decimeters?

<gadget id="calculator">3.14 * 2</gadget>
<output>6.28</output>
<result>6.28</result>


停车场上有36辆小轿车，是卡车数量的3倍．停车场上有小轿车和卡车共多少辆？

There are 36 cars in the parking lot, three times the number of trucks. How many cars and trucks are there in the parking lot?

<gadget id="calculator">36 / 3</gadget>
<output>12</output>
<gadget id="calculator">12 + 36</gadget>
<output>48</output>
<result>48</result>


当阳市图书馆给学校送来一批图书分给几个班，如果每班分10本，则余40本，如果每班分13本，则不足8本，一共分给几个班级？

Dangyang City Library sent a batch of books to the school and distributed them to several classes. If there are 10 books in each class, there will be 40 books left. If there are 13 books in each class, there will be less than 8 books. How many classes will they be distributed in total?

<gadget id="calculator">40 + 8</gadget>
<output>48</output>
<gadget id="calculator">13 - 10</gadget>
<output>3</output>
<gadget id="calculator">48 / 3</gadget>
<output>16</output>
<result>16</result>


王师傅做了2000个零件，其中不合格的有4个，这批零件的合格率是多少

Master Wang has made 2000 parts, of which 4 are unqualified. What is the pass rate of this batch of parts?

<gadget id="calculator">2_000 - 4</gadget>
<output>1_996</output>
<gadget id="calculator">1_996 / 2_000</gadget>
<output>499/500 = around 0.998</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(499/500) * 1</gadget>
<output>499/500 = around 0.998</output>
<result>499/500 = around 0.998</result>


园林工人在直径为8.2米的花坛周围铺了一条宽1.2米的环形小路，这条环形小路的面积是多少平方米？

A garden worker paved a circular path with a width of 1.2 meters around a flower bed with a diameter of 8.2 meters. What is the area of this circular path in square meters?

<gadget id="calculator">8.2 / 2</gadget>
<output>4.1</output>
<gadget id="calculator">4.1 + 1.2</gadget>
<output>5.3</output>
<gadget id="calculator">5.3 ** 2</gadget>
<output>28.09</output>
<gadget id="calculator">3.14 * 28.09</gadget>
<output>88.2026</output>
<gadget id="calculator">4.1 ** 2</gadget>
<output>16.81</output>
<gadget id="calculator">3.14 * 16.81</gadget>
<output>52.7834</output>
<gadget id="calculator">88.2026 - 52.7834</gadget>
<output>35.4192</output>
<result>35.4192</result>


一个长方体的蓄水池，长4米，宽2.5米，高3米，池中水深2.8米．请算一算，池中的水有多少升？

A cuboid reservoir is 4 meters long, 2.5 meters wide, 3 meters high, and the water depth in the pool is 2.8 meters. Please do the math, how many liters of water are there in the pool?

<gadget id="calculator">4 * 2.5 * 2.8 * 1_000</gadget>
<output>28_000</output>
<result>28_000</result>


某县要修一条公路，已经修了20天，平均每天修350米，还剩800米没有修，这条公路长多少米？

A certain county wants to build a road. It has been repaired for 20 days, with an average of 350 meters per day, and there are still 800 meters left to be repaired. How long is this road?

<gadget id="calculator">350 * 20</gadget>
<output>7_000</output>
<gadget id="calculator">7_000 + 800</gadget>
<output>7_800</output>
<result>7_800</result>


长方体的长6厘米，宽4厘米，高3厘米．他的体积是多少？

cuboid is 6 cm long, 4 cm wide, and 3 cm high. What is his size?

<gadget id="calculator">6 * 4 * 3</gadget>
<output>72</output>
<result>72</result>


<gadget id="calculator">54 / 25</gadget>
<output>54/25 = around 2.16</output>
<gadget id="calculator">10 - (54/25) - 4</gadget>
<output>96/25 = around 3.84</output>
<gadget id="calculator">32 / 25</gadget>
<output>32/25 = around 1.28</output>
<gadget id="calculator">(96/25) / (32/25)</gadget>
<output>3</output>
<result>3</result>


在一次跳远达标测试中，有4人未达标，达标率是98%．参加跳远达标测试的有多少人？

In a long jump standard test, 4 people failed to reach the standard, and the standard rate was 98%. How many people participated in the long jump qualification test?

<gadget id="calculator">98 / 100</gadget>
<output>49/50 = around 0.98</output>
<gadget id="calculator">1 - (49/50)</gadget>
<output>1/50 = around 0.02</output>
<gadget id="calculator">4 / (1/50)</gadget>
<output>200</output>
<result>200</result>


梅花鹿高1.44米，长颈鹿的身高是梅花鹿身高的2.5倍还多0.72米，长颈鹿的身高是多少米？

The sika deer is 1.44 meters high, and the height of the giraffe is 2.5 times the height of the sika deer, which is 0.72 meters more. How many meters is the height of the giraffe?

<gadget id="calculator">1.44 * 2.5</gadget>
<output>3.6</output>
<gadget id="calculator">3.6 + 0.72</gadget>
<output>4.32</output>
<result>4.32</result>


2011年4月20日财政部长谢旭人透露：个税将从3000元起征(超过3000元的部分才要交税)，税级将由原来的9级调整到7级，第一级的跨度将由原来的500元提到1500元．若第一级的税率按现在的5%不变，周老师一个月的工资是4400元，她要交税多少元．

On April 20, 2011, Minister of Finance Xie Xuren revealed that personal tax will be levied from 3,000 yuan (the portion over 3,000 yuan will be taxed), the tax level will be adjusted from the original 9 levels to 7 levels, and the span of the first level will be changed from the original The 500 yuan referred to 1500 yuan. If the tax rate of the first level remains unchanged at the current 5%, and Teacher Zhou’s monthly salary is 4,400 yuan, how much tax will she have to pay?

<gadget id="calculator">4_400 - 3_000</gadget>
<output>1_400</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">1_400 * (1/20)</gadget>
<output>70</output>
<result>70</result>


一台电视机，降价5%后售价比原价少160元．这台电视机原来售价多少元？

A TV set is priced at 160 yuan less than the original price after a 5% price cut. How much is the original price of this TV?

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">160 / (1/20)</gadget>
<output>3_200</output>
<result>3_200</result>


x，y表示两个自然数，定义x※y=2x+3y，计算3※(4※5)=多少．

x, y represent two natural numbers, define x*y=2x+3y, and calculate 3*(4*5)=how much.

<gadget id="calculator">2 * 3</gadget>
<output>6</output>
<gadget id="calculator">2 * 4</gadget>
<output>8</output>
<gadget id="calculator">3 * 5</gadget>
<output>15</output>
<gadget id="calculator">8 + 15</gadget>
<output>23</output>
<gadget id="calculator">3 * 23</gadget>
<output>69</output>
<gadget id="calculator">6 + 69</gadget>
<output>75</output>
<result>75</result>


一块正方形桌布，边长是1米5分米，它的周长是多少．

What is the perimeter of a square tablecloth whose side length is 1 meter and 5 decimeters?

<gadget id="calculator">15 * 4</gadget>
<output>60</output>
<result>60</result>


电视机厂计划6月份生产电视机1100台，结果提前2.5天完成了生产任务．照这样的效率，全月生产电视机多少台？

The TV factory planned to produce 1,100 TV sets in June, but the production task was completed 2.5 days ahead of schedule. According to this efficiency, how many TV sets can be produced in a whole month?

<gadget id="calculator">30 - 2.5</gadget>
<output>27.5</output>
<gadget id="calculator">1_100 / 27.5</gadget>
<output>40</output>
<gadget id="calculator">40 * 30</gadget>
<output>1_200</output>
<result>1_200</result>


苹果有2个，梨有5个，吃到苹果的可能性是多少．

There are 2 apples and 5 pears, what is the probability of getting an apple?

<gadget id="calculator">2 + 5</gadget>
<output>7</output>
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<result>2/7 = around 0.285714</result>


下面的分数中，比(1/2)大的是多少

Which of the following fractions is greater than (1/2)

<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>
<result>7/9 = around 0.777778</result>


一台机器8小时可以加工320个零件，照这样计算，要用5台机器加工2000个零件，需要多少小时？

One machine can process 320 parts in 8 hours. According to this calculation, how many hours will it take to process 2000 parts with 5 machines?

<gadget id="calculator">320 / 8</gadget>
<output>40</output>
<gadget id="calculator">2_000 / 40 / 5</gadget>
<output>10</output>
<result>10</result>


在比例尺是1：10000000的中国地图上，量的两地的距离是21厘米，甲、乙两列火车同时从两地相对开出，5小时相遇，已知甲、乙两车的速度比是3：4，两车相遇时，乙行了多少千米？

On the map of China with a scale of 1:10000000, the measured distance between the two places is 21 centimeters. Two trains A and B leave opposite to each other at the same time and meet each other in 5 hours. It is known that the speed ratio of trains A and B is 3:4, when the two cars met, how many kilometers did B travel?

<gadget id="calculator">1 / 10_000_000</gadget>
<output>1/10_000_000 = around 0</output>
<gadget id="calculator">21 / (1/10_000_000) / 100_000 / 5</gadget>
<output>420</output>
<gadget id="calculator">3 + 4</gadget>
<output>7</output>
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>
<gadget id="calculator">420 * (4/7) * 5</gadget>
<output>1_200</output>
<result>1_200</result>


一支铅笔的价钱是0.8元，一支钢笔的价钱是一支铅笔的4.5倍，一支钢笔的价钱比一支铅笔的价钱贵多少元？

The price of a pencil is 0.8 yuan, the price of a pen is 4.5 times that of a pencil, how much is the price of a pen more expensive than the price of a pencil?

<gadget id="calculator">0.8 * 4.5</gadget>
<output>3.6</output>
<gadget id="calculator">3.6 - 0.8</gadget>
<output>2.8</output>
<result>2.8</result>


甲、乙两个仓库共存粮300吨，从两个仓库各运出(1/5)以后，甲仓库还有95吨，乙仓库还有多少吨粮食？

There are 300 tons of grain stored in two warehouses, A and B. After each of the two warehouses is shipped out (1/5), there will be 95 tons in warehouse A. How many tons of grain will there be in warehouse B?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">300 * (4/5)</gadget>
<output>240</output>
<gadget id="calculator">240 - 95</gadget>
<output>145</output>
<result>145</result>


一个梯形的上底与下底的和是25厘米，是高的5倍，这个梯形的面积是多少．

The sum of the upper and lower bases of a trapezoid is 25 cm, which is 5 times the height. What is the area of the trapezoid?

<gadget id="calculator">25 / 5</gadget>
<output>5</output>
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">25 * (5/2)</gadget>
<output>125/2 = around 62.5</output>
<result>125/2 = around 62.5</result>


小明同学准备把自己的零花钱都捐献给舟曲灾区的小朋友．他共有三个储钱罐，A储钱罐里的钱占全部零花钱的七分之五，B储钱罐里有33元钱，C储钱罐里的钱占全部零花钱的五分之几，小明共有零花钱多少元．

Xiao Ming is going to donate all his pocket money to the children in the Zhouqu disaster area. He has three piggy banks. The money in piggy bank A accounts for five-sevenths of the total pocket money, the money in piggy bank B accounts for 33 yuan, and the money in piggy bank C accounts for one-fifth of the total pocket money. How much pocket money does Xiao Ming have in total?

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (5/7) - (1/5)</gadget>
<output>3/35 = around 0.085714</output>
<gadget id="calculator">33 / (3/35)</gadget>
<output>385</output>
<result>385</result>


王芳今年12岁，他出生于多少年

Wang Fang is 12 years old this year, when was he born

<gadget id="calculator">2_014 - 12</gadget>
<output>2_002</output>
<result>2_002</result>


某工厂4月份要加工一批零件6400个，上半月完成的与计划总量的比是3：4，下半月完成了计划的60%，实际全月超额完成多少个？

A factory needs to process a batch of 6,400 parts in April. The ratio of completed in the first half of the month to the planned total amount is 3:4, and 60% of the plan is completed in the second half of the month. How many parts were actually overfulfilled in the whole month?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(3/4) + (3/5)</gadget>
<output>27/20 = around 1.35</output>
<gadget id="calculator">6_400 * (27/20)</gadget>
<output>8_640</output>
<gadget id="calculator">8_640 - 6_400</gadget>
<output>2_240</output>
<result>2_240</result>


东海小学144名学生到植物园参观学习．为了便于参观，需要将学生平均分成4个小队，每个小队再平均分成3个小组，每个小组有多少人？

144 students from Donghai Primary School visited and studied in the botanical garden. In order to facilitate the visit, the students need to be divided into 4 teams on average, and each team is divided into 3 teams on average. How many people are there in each team?

<gadget id="calculator">144 / 4 / 3</gadget>
<output>12</output>
<result>12</result>


小胖看一本书，原计划每天看25页，12天看完，实际10天就看完了，实际每天比计划多看了多少页？

Xiaopang reads a book. He originally planned to read 25 pages a day. He finished it in 12 days, but actually finished it in 10 days. How many pages did he actually read every day more than planned?

<gadget id="calculator">12 / 10</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">25 * (6/5)</gadget>
<output>30</output>
<gadget id="calculator">30 - 25</gadget>
<output>5</output>
<result>5</result>


一批同样的圆木堆在一起的横截面是一个梯形，上层是5根，下层是10根，一共6层，这批圆木共有多少根？

The cross-section of a batch of the same logs stacked together is a trapezoid, with 5 logs on the upper layer and 10 logs on the lower layer, a total of 6 layers. How many logs are there in this batch?

<gadget id="calculator">5 + 10</gadget>
<output>15</output>
<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">15 * 3</gadget>
<output>45</output>
<result>45</result>


用0、5、3这三个数字组成一个两位数，使它同时是2、3、5的倍数，这个数是多少．

Use the three numbers 0, 5, and 3 to form a two-digit number so that it is a multiple of 2, 3, and 5 at the same time. What is the number?

<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>
<result>30</result>


星光小学参加植树活动，五年级植树150棵，六年级比五年级多植(2/5)．六年级植树多少棵？

Xingguang Primary School participated in the tree planting activity, planting 150 trees in the fifth grade, and planting more trees in the sixth grade than in the fifth grade (2/5). How many trees will the sixth grade plant?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>
<gadget id="calculator">150 * (7/5)</gadget>
<output>210</output>
<result>210</result>


The result of calculating 1.1*1.2*1.3*1.4*10.1 is a decimal of how many digits.

<gadget id="calculator">1 + 1 + 1 + 1 + 1</gadget>
<output>5</output>
<result>5</result>


在2、5、6的基础上再配上一个数就能组成比例．这个数是多少

Adding a number on the basis of 2, 5, and 6 can form a ratio. what is this number

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">2 * (6/5)</gadget>
<output>12/5 = around 2.4</output>
<result>12/5 = around 2.4</result>


在一个长是10分米，宽是8分米的长方形中剪一个最大的正方形，这个正方形的周长是多少分米．

Cut a largest square out of a rectangle whose length is 10 decimeters and width is 8 decimeters. What is the perimeter of this square?

<gadget id="calculator">8 * 4</gadget>
<output>32</output>
<result>32</result>


幸福水泥厂每天生产1000吨水泥，每(1/20)吨装一袋．每天生产的水泥可以装多少袋？

The Xingfu Cement Factory produces 1,000 tons of cement every day, and each (1/20) ton is packed in one bag. How many bags of cement can be filled every day?

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">1_000 / (1/20)</gadget>
<output>20_000</output>
<result>20_000</result>


<gadget id="calculator">2 / 1</gadget>
<output>2</output>
<gadget id="calculator">3 / 1</gadget>
<output>3</output>
<gadget id="calculator">4 / 1</gadget>
<output>4</output>
<gadget id="calculator">1 + 2 + 3 + 4</gadget>
<output>10</output>
<gadget id="calculator">5 / 1</gadget>
<output>5</output>
<gadget id="calculator">2 + 3 + 4 + 5</gadget>
<output>14</output>
<gadget id="calculator">10 * 14</gadget>
<output>140</output>
<gadget id="calculator">1 + 2 + 3 + 4 + 5</gadget>
<output>15</output>
<gadget id="calculator">2 + 3 + 4</gadget>
<output>9</output>
<gadget id="calculator">15 * 9</gadget>
<output>135</output>
<gadget id="calculator">140 - 135</gadget>
<output>5</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 + (1/2) + (1/3) + (1/4)</gadget>
<output>25/12 = around 2.083333</output>
<gadget id="calculator">(1/2) + (1/3) + (1/4)</gadget>
<output>13/12 = around 1.083333</output>
<gadget id="calculator">(25/12) - (13/12)</gadget>
<output>1</output>
<gadget id="calculator">(1/5) * 1</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


有8个同学见面，两个人握一次手，共握多少次．

There are 8 classmates who meet each other, how many handshakes do they shake once?

<gadget id="calculator">8 - 1</gadget>
<output>7</output>
<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<gadget id="calculator">7 * 4</gadget>
<output>28</output>
<result>28</result>


一个因数是312，另一个因数是26，积是多少？

One factor is 312 and the other is 26. What is the product?

<gadget id="calculator">312 * 26</gadget>
<output>8_112</output>
<result>8_112</result>


一台电视机价格由1000元降到860元，这种电视机降价百分之几？多少

The price of a TV is reduced from 1,000 yuan to 860 yuan. How much will the price of this kind of TV be reduced? How many

<gadget id="calculator">1_000 - 860</gadget>
<output>140</output>
<gadget id="calculator">140 / 1_000</gadget>
<output>7/50 = around 0.14</output>
<result>7/50 = around 0.14</result>


张红和余苗约定8：00同时从家出发去电影院，8：18两人正好在电影院相遇，张红每分走76米，余苗每分走80米，他们两家相距多少米？

Zhang Hong and Yu Miao agreed to leave home for the movie theater at 8:00 at the same time, and they met at the movie theater at 8:18. Zhang Hong walked 76 meters per minute, and Yu Miao walked 80 meters per minute. How many meters are there between the two of them?

<gadget id="calculator">80 * 18</gadget>
<output>1_440</output>
<gadget id="calculator">76 * 18</gadget>
<output>1_368</output>
<gadget id="calculator">1_440 - 1_368</gadget>
<output>72</output>
<result>72</result>


一辆自行车的车轮的半径是30厘米，车轮转一周前进的距离是多少米．

The radius of the wheel of a bicycle is 30 cm, what is the distance traveled by the wheel in one revolution?

<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>
<gadget id="calculator">3.14 * 30 * (1/50)</gadget>
<output>1.884</output>
<result>1.884</result>


南北两站，甲从南站出发，2小时行了全程的(1/3)，乙从北站出发，2小时行了全程的(1/2)，两人同时出发相向而行，几小时能相遇？

There are two stations in the north and south. A starts from the south station and travels the whole distance (1/3) in 2 hours. B starts from the north station and travels the whole distance (1/2) in 2 hours. The two start at the same time and walk toward each other for a few hours Can we meet?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/3) / 2</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/2) / 2</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/6) + (1/4)</gadget>
<output>5/12 = around 0.416667</output>
<gadget id="calculator">1 / (5/12)</gadget>
<output>12/5 = around 2.4</output>
<result>12/5 = around 2.4</result>


一项工程，甲单独做需要20天，甲做了若干天后，乙去帮忙合做，结果提前4天完成，如果乙的效率提高25%，还能再提前半天完成，这件工程单独由乙做需要几天？

A project needs 20 days to be done by A alone. After A has done it for a few days, B goes to help and cooperate. As a result, it is completed 4 days ahead of schedule. If B’s efficiency is increased by 25%, it can be completed half a day earlier. This project is done by B alone. How many days does it take?

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(1/20) * (4/5)</gadget>
<output>1/25 = around 0.04</output>
<gadget id="calculator">1 / (1/25)</gadget>
<output>25</output>
<result>25</result>


学生喝课间奶，每班48袋，发了35个班，还剩172袋，一共准备了多少袋牛奶？

Students drink milk between classes, 48 bags per class, 35 classes, and 172 bags left, how many bags of milk have been prepared in total?

<gadget id="calculator">48 * 35</gadget>
<output>1_680</output>
<gadget id="calculator">1_680 + 172</gadget>
<output>1_852</output>
<result>1_852</result>


有一个长方体，长60厘米，宽40厘米，高15厘米，如果要切成同样大的小正方体，这些小正方体的棱长最大可以是多少厘米？

There is a cuboid with a length of 60 cm, a width of 40 cm, and a height of 15 cm. If it is to be cut into small cubes of the same size, what is the maximum length of these small cubes?


一件工作，甲、乙两人合作36天完成，乙、丙两人合作45天完成，甲、丙两人合作要60天完成．问甲一人独做需要多少天完成？

A job can be completed in 36 days by the cooperation of A and B, 45 days by the cooperation of B and C, and 60 days by the cooperation of A and C. How many days does it take for A to do it alone?

<gadget id="calculator">1 / 36</gadget>
<output>1/36 = around 0.027778</output>
<gadget id="calculator">1 / 45</gadget>
<output>1/45 = around 0.022222</output>
<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>
<gadget id="calculator">(1/36) + (1/45) + (1/60)</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/15) / 2</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(1/30) - (1/45)</gadget>
<output>1/90 = around 0.011111</output>
<gadget id="calculator">1 / (1/90)</gadget>
<output>90</output>
<result>90</result>


旅行社需要买50张床．原计划买每张118元的床，后来决定买每张100元的床，用省下的钱买45元一把的椅子，一共可以买多少把椅子？

The travel agency needs to buy 50 beds. I originally planned to buy a bed of 118 yuan each, but later decided to buy a bed of 100 yuan each, and use the saved money to buy a chair for 45 yuan a piece. How many chairs can I buy in total?

<gadget id="calculator">118 - 100</gadget>
<output>18</output>
<gadget id="calculator">50 / 45</gadget>
<output>10/9 = around 1.111111</output>
<gadget id="calculator">18 * (10/9)</gadget>
<output>20</output>
<result>20</result>


把一个圆柱削成一个和它等底等高的圆锥，削去的体积是64cm**3，圆锥的体积是多少cm**3．

Cut a cylinder into a cone with the same base and height, the volume of the cut is 64cm**3, what is the volume of the cone in cm**3.

<gadget id="calculator">64 / 2</gadget>
<output>32</output>
<result>32</result>


450连续减去112，减去多少次后结果是2．

Subtract 112 continuously from 450, how many times the result is 2.

<gadget id="calculator">450 - 2</gadget>
<output>448</output>
<gadget id="calculator">448 / 112</gadget>
<output>4</output>
<result>4</result>


一块长方形菜地，长增加20米或宽增加10米，它的面积都增加180平方米．原来这块菜地有多大？

If a rectangular vegetable field is increased by 20 meters in length or 10 meters in width, its area will increase by 180 square meters. How big is this vegetable field?

<gadget id="calculator">180 / 10</gadget>
<output>18</output>
<gadget id="calculator">180 / 20</gadget>
<output>9</output>
<gadget id="calculator">18 * 9</gadget>
<output>162</output>
<result>162</result>


一个平行四边形和一个长方形的面积都是36平方厘米．长方形的长是9厘米，是平行四边形高的2倍．平行四边形的底是多少厘米．

The area of a parallelogram and a rectangle are both 36 square centimeters. The length of the rectangle is 9 cm, which is twice the height of the parallelogram. How many centimeters is the base of the parallelogram.

<gadget id="calculator">9 / 2</gadget>
<output>9/2 = around 4.5</output>
<gadget id="calculator">36 / (9/2)</gadget>
<output>8</output>
<result>8</result>


水果店运来20筐橘子，每筐65千克，一共运来橘子多少千克？

The fruit shop shipped 20 baskets of oranges, each weighing 65 kilograms. How many kilograms of oranges were shipped in total?

<gadget id="calculator">65 * 20</gadget>
<output>1_300</output>
<result>1_300</result>


中山创世纪汽车销售公司今年6月份销售小轿车和小货车数量的比是5：3，这两种车共销售了1600辆，小轿车比小货车多卖了多少辆？

Zhongshan Chuangshiji Automobile Sales Co., Ltd. sold cars and small trucks at a ratio of 5:3 in June this year. A total of 1,600 of these two cars were sold. How many more cars were sold than small trucks?

<gadget id="calculator">5 + 3</gadget>
<output>8</output>
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">1_600 * (5/8)</gadget>
<output>1_000</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">1_600 * (3/8)</gadget>
<output>600</output>
<gadget id="calculator">1_000 - 600</gadget>
<output>400</output>
<result>400</result>


等底、等体积的圆柱和圆锥，圆柱高9米，圆锥高多少米

A cylinder and a cone with the same base and volume, the height of the cylinder is 9 meters, how many meters is the height of the cone

<gadget id="calculator">9 * 3</gadget>
<output>27</output>
<result>27</result>


一筐苹果，平均分给2个小朋友、平均分给3小小朋友或平均分给5个小朋友都正好分完，这筐苹果最少应有多少个

A basket of apples should be divided equally between 2 children, 3 children or 5 children. How many apples should there be at least in this basket?

<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>
<result>30</result>


小红读一本书，第一天读了全书的(3/8)，第二天读的比第一天余下的(1/3)还多8页，此时还有32页没有读，全书有多少页？

Xiaohong reads a book. On the first day, she reads (3/8) of the whole book. On the second day, she reads 8 pages more than the remaining (1/3) of the first day. At this time, she still has 32 pages to read. How many pages does the book have?

<gadget id="calculator">8 + 32</gadget>
<output>40</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(3/8) * (1/3)</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">(1/8) - (3/8) - (1/3)</gadget>
<output>-7/12 = around -0.583333</output>
<gadget id="calculator">1 + (-7/12)</gadget>
<output>5/12 = around 0.416667</output>
<gadget id="calculator">40 / (5/12)</gadget>
<output>96</output>
<result>96</result>


一根长方体钢材，长3米，横截面是一个边长5厘米的正方形，每立方分米的钢重7.8公斤，这根钢材重多少公斤？

cuboid steel is 3 meters long, the cross section is a square with a side length of 5 cm, and the steel weighs 7.8 kg per cubic decimeter. How many kg does this steel weigh?

<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">3 * 10</gadget>
<output>30</output>
<gadget id="calculator">(1/2) * (1/2) * 30 * 7.8</gadget>
<output>58.5</output>
<result>58.5</result>


仓库里有一批钢材，用去20%后，又运进5.4吨，现存的钢材比原来还多25%，问用去多少吨钢材？

There is a batch of steel in the warehouse. After 20% was used, another 5.4 tons were shipped in. The existing steel is 25% more than the original one. How many tons of steel were used?

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(5/4) - (4/5)</gadget>
<output>9/20 = around 0.45</output>
<gadget id="calculator">5.4 / (9/20)</gadget>
<output>12</output>
<gadget id="calculator">12 * (1/5)</gadget>
<output>12/5 = around 2.4</output>
<result>12/5 = around 2.4</result>


甲乙丙三个数，甲乙两数的和是147，乙丙两数的和是123，甲丙两数的和是132，则这三个数的平均值是多少．

A, B, and C are three numbers. The sum of A, B, and B is 147. The sum of B, C, and B is 123. The sum of A, C, and C is 132. What is the average of these three numbers?

<gadget id="calculator">147 + 123 + 132</gadget>
<output>402</output>
<gadget id="calculator">402 / 2 / 3</gadget>
<output>67</output>
<result>67</result>


What is the number 1.36 less than the sum of 0.75 and 2.48?

<gadget id="calculator">2.48 - 1.36</gadget>
<output>1.12</output>
<gadget id="calculator">0.75 + 1.12</gadget>
<output>1.87</output>
<result>1.87</result>


小明在计算42*(8+4)时，把算式抄成42*8+4，这样两题的计算结果相差多少

When Xiao Ming calculated 42*(8+4), he copied the formula into 42*8+4, so how much is the difference between the calculation results of the two questions?

<gadget id="calculator">41 * 4</gadget>
<output>164</output>
<result>164</result>


口袋里放入9个球，任意摸一个球，要使摸到红球的可能性为(2/3)，要放入多少个红球．

Put 9 balls in the pocket, touch a ball at random, so that the probability of touching a red ball is (2/3), how many red balls should be put in.

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">9 * (2/3)</gadget>
<output>6</output>
<result>6</result>


小玲语文、数学总分182分，英语85分，她的平均成绩是多少分

Xiaoling has a total score of 182 in Chinese and mathematics, and 85 in English. What is her average score?

<gadget id="calculator">182 + 85</gadget>
<output>267</output>
<gadget id="calculator">267 / 3</gadget>
<output>89</output>
<result>89</result>


甲、乙两城间铁路长960千米，一列火车于6月22日上午11时从甲城开往乙城，晚上7时到达．这列火车每小时行多少千米？

The railway between cities A and B is 960 kilometers long. A train departs from City A to City B at 11 am on June 22 and arrives at 7 pm. How many kilometers per hour does the train travel?

<gadget id="calculator">19 - 11</gadget>
<output>8</output>
<gadget id="calculator">960 / 8</gadget>
<output>120</output>
<result>120</result>


一根铁丝长56.52米，正好在一个水桶上绕了6圈，这个水桶的直径是多少米？

wire is 56.52 meters long, and it is wound around a bucket exactly 6 times. What is the diameter of the bucket in meters?

<gadget id="calculator">56.52 / 6 / 3.14</gadget>
<output>3</output>
<result>3</result>


一堆货物重4吨，平均分成5份，每份占总重量的((())/(()))，每份是多少吨．

A pile of goods weighs 4 tons and is divided into 5 parts on average. Each part accounts for ((())/(())) of the total weight. How many tons is each part.

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / (1/5) / 1</gadget>
<output>5</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<result>4/5 = around 0.8</result>


40的(2/5)与20的多少同样多．

There are as many (2/5) of 40 as there are of 20.

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(2/5) / 20</gadget>
<output>1/50 = around 0.02</output>
<gadget id="calculator">40 * (1/50)</gadget>
<output>4/5 = around 0.8</output>
<result>4/5 = around 0.8</result>


某商品去年10月份提价25%，今年10月份要恢复原价，则应降价多少

If the price of a certain product was increased by 25% in October last year, how much should the price be reduced in October this year to restore the original price?

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/4) - 1</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">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">(1/4) / (5/4)</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


工程队修一条公路，原计划每天修720米，实际每天比原计划多修80米，因而提前了3天完成任务．这条路全长多少米．

The engineering team repaired a road, originally planned to repair 720 meters per day, but actually repaired 80 meters more than the original plan per day, so the task was completed 3 days ahead of schedule. How long is this road in meters?

<gadget id="calculator">3 / 80</gadget>
<output>3/80 = around 0.0375</output>
<gadget id="calculator">720 * (3/80)</gadget>
<output>27</output>
<gadget id="calculator">27 + 3</gadget>
<output>30</output>
<gadget id="calculator">30 * 720</gadget>
<output>21_600</output>
<result>21_600</result>


棱长是4分米的正方体，棱长总和是多少分米？

For a cube whose side length is 4 decimeters, what is the sum of the side lengths?

<gadget id="calculator">4 * 12</gadget>
<output>48</output>
<result>48</result>


一本书150页，小花看它的(3/5)，她看了多少页？

A book has 150 pages, Xiao Hua reads (3/5) of it, how many pages does she read?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">150 * (3/5)</gadget>
<output>90</output>
<result>90</result>


张大妈家上个月用了8吨水，水费是12.8元，王大爷家上个月的水费是19.2元，他们家用了多少吨水？(用比例知识解答)

Aunt Zhang’s family used 8 tons of water last month, and the water bill was 12.8 yuan. Uncle Wang’s family’s water bill last month was 19.2 yuan. How many tons of water did they use? (Answer with proportional knowledge)

<gadget id="calculator">19.2 * 8</gadget>
<output>153.6</output>
<gadget id="calculator">153.6 / 12.8</gadget>
<output>12</output>
<result>12</result>


某次英语竞赛共25道题，评分标准是每做对一道得4分，每做错或不做一道题扣1分．刘亮参加这次竞赛是了70分，刘亮做对了多少题？

There were 25 questions in an English competition. The scoring standard was 4 points for each correct answer, and 1 point deducted for each incorrect answer or failure to answer a question. Liu Liang scored 70 points in this competition. How many questions did Liu Liang get right?

<gadget id="calculator">25 * 4</gadget>
<output>100</output>
<gadget id="calculator">100 - 70</gadget>
<output>30</output>
<gadget id="calculator">4 + 1</gadget>
<output>5</output>
<gadget id="calculator">30 / 5</gadget>
<output>6</output>
<gadget id="calculator">25 - 6</gadget>
<output>19</output>
<result>19</result>


李老师的月工资是1200元，按个人所得税的规定，每月工资收入扣除800元后的余额部分，按5%的比例缴纳个人所得税，李老师每月应缴纳个人所得税多少元．

Mr. Li's monthly salary is 1200 yuan. According to the personal income tax regulations, the balance of the monthly wage income after deducting 800 yuan is subject to personal income tax at a rate of 5%. How much personal income tax should Mr. Li pay every month?

<gadget id="calculator">1_200 - 800</gadget>
<output>400</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">400 * (1/20)</gadget>
<output>20</output>
<result>20</result>


在80g盐水中，盐与水的比是1：7，那么盐水中水的重量是多少g

In 80g of salt water, the ratio of salt to water is 1:7, what is the weight of water in salt water in grams

<gadget id="calculator">1 + 7</gadget>
<output>8</output>
<gadget id="calculator">80 / 8</gadget>
<output>10</output>
<gadget id="calculator">10 * 7</gadget>
<output>70</output>
<result>70</result>


食堂有面粉260千克，有大米6袋，每袋25千克．面粉比大米多多少千克？

The cafeteria has 260 kilograms of flour and 6 bags of rice, each bag is 25 kilograms. How many kilograms more flour than rice?

<gadget id="calculator">25 * 6</gadget>
<output>150</output>
<gadget id="calculator">260 - 150</gadget>
<output>110</output>
<result>110</result>


跑道一圈长250米，多少圈是1千米．

One lap of the runway is 250 meters long, how many laps is 1 kilometer.

<gadget id="calculator">1_000 / 250</gadget>
<output>4</output>
<gadget id="calculator">1 * 4</gadget>
<output>4</output>
<result>4</result>


湖边种着一排柳树，每两棵之间相距8米，明明从第1棵跑到第20棵，一共跑了多少米？

There is a row of willow trees planted by the lake, and the distance between each two willow trees is 8 meters. Obviously, from the first tree to the 20th tree, how many meters did you run in total?

<gadget id="calculator">20 - 1</gadget>
<output>19</output>
<gadget id="calculator">19 * 8</gadget>
<output>152</output>
<result>152</result>


一个鱼缸，长4分米，宽3分米，倒入30升的水，再放入15条金鱼，这时水面高26厘米．这些金鱼的体积一共有多少？

A fish tank with a length of 4 decimeters and a width of 3 decimeters is filled with 30 liters of water and 15 goldfish. At this time, the water surface is 26 centimeters high. What is the total volume of these goldfish?

<gadget id="calculator">4 * 3</gadget>
<output>12</output>
<gadget id="calculator">30 / 12</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">(5/2) * 10</gadget>
<output>25</output>
<gadget id="calculator">26 - 25</gadget>
<output>1</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">4 * 3 * (1/10)</gadget>
<output>6/5 = around 1.2</output>
<result>6/5 = around 1.2</result>


一个数除以15，商是12，有余数，当余数最大时，被除数是多少．

When a number is divided by 15, the quotient is 12, and there is a remainder. When the remainder is the largest, what is the dividend.

<gadget id="calculator">15 * 12</gadget>
<output>180</output>
<gadget id="calculator">15 - 1</gadget>
<output>14</output>
<gadget id="calculator">180 + 14</gadget>
<output>194</output>
<result>194</result>


被减数是546，减数是80，差是多少．

The minuend is 546, the subtrahend is 80, what is the difference.

<gadget id="calculator">546 - 80</gadget>
<output>466</output>
<result>466</result>


农场种白菜1200公顷，种的萝卜是白菜的(4/5)，又比黄瓜少(1/4)，种黄瓜多少公顷？

The farm grows 1200 hectares of cabbage, and the radish planted is cabbage (4/5), which is less than cucumber (1/4). How many hectares are planted with cucumber?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1_200 * (4/5)</gadget>
<output>960</output>
<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">960 / (3/4)</gadget>
<output>1_280</output>
<result>1_280</result>


两张纸条都长12厘米，如果把它们粘在一起，中间重叠的部分长2厘米，则粘在一起后总长多少厘米．

Two strips of paper are 12 cm long. If they are glued together and the overlapping part in the middle is 2 cm long, what is the total length in cm after being glued together?

<gadget id="calculator">12 * 2</gadget>
<output>24</output>
<gadget id="calculator">24 - 2</gadget>
<output>22</output>
<result>22</result>


一根水管，第一次用去全长的(1/2)，第二次用去余下的(1/2)，这根水管还剩下全长的多少

A water pipe, use the full length (1/2) for the first time, and use the remaining (1/2) for the second time, how much is the full length of the water pipe left

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/2) * (1/2)</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/2) - (1/4)</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


同学们围成三圈跳集体舞，里面一圈有48个同学，每外面一圈人数都比里圈多(1/4)，一共有多少人？

Students form a group dance in three circles. There are 48 students in the inner circle, and each outer circle has more people (1/4) than the inner circle. How many people are there in total?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">48 * (5/4)</gadget>
<output>60</output>
<gadget id="calculator">48 * (5/4) * (5/4)</gadget>
<output>75</output>
<gadget id="calculator">48 + 60 + 75</gadget>
<output>183</output>
<result>183</result>


水结成冰体积会增加(1/11)，一杯水结成冰后体积是480立方厘米，这杯水的体积是多少立方厘米？

The volume of water will increase (1/11) when it freezes. The volume of a glass of water is 480 cubic centimeters. What is the volume of this glass of water in cubic centimeters?

<gadget id="calculator">1 / 11</gadget>
<output>1/11 = around 0.090909</output>
<gadget id="calculator">1 + (1/11)</gadget>
<output>12/11 = around 1.090909</output>
<gadget id="calculator">480 / (12/11)</gadget>
<output>440</output>
<result>440</result>


小明带10元钱，已经买了5角钱一本的练习本4本，还可以买多少枝2元一枝的荧光笔．

With 10 yuan, Xiao Ming has already bought 4 exercise books that cost 50 cents each, and how many highlighters can be bought for 2 yuan each.

<gadget id="calculator">0.5 * 4</gadget>
<output>2</output>
<gadget id="calculator">10 - 2</gadget>
<output>8</output>
<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<result>4</result>


甲数比乙数多(1/5)，甲数是乙数的多少．

The number A is more than the number B (1/5), and the number A is the number B.

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">(6/5) / 1</gadget>
<output>6/5 = around 1.2</output>
<result>6/5 = around 1.2</result>


已知在乘积1*2*3*…*N的尾部恰好有100个连续的"0"．N的最大值是多少．

It is known that there are exactly 100 consecutive "0"s at the end of the product 1*2*3*...*N. What is the maximum value of N.


一辆汽车从甲地开往乙地，第一天行驶路程与未行驶路程的比是2：5，第二天又行驶了240千米，正好到达两地的中点，甲、乙两地之间的路程是多少千米？

A car drives from place A to place B. The ratio of the distance traveled on the first day to the distance not traveled is 2:5. On the second day, it travels 240 kilometers and arrives at the midpoint between the two places. How many kilometers is the distance between them?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">5 + 2</gadget>
<output>7</output>
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">(1/2) - (2/7)</gadget>
<output>3/14 = around 0.214286</output>
<gadget id="calculator">240 / (3/14)</gadget>
<output>1_120</output>
<result>1_120</result>


在x/y=5…1里，当y取最小值的时候，x=多少．

In x/y=5...1, when y takes the minimum value, x=how much.

<gadget id="calculator">5 * 2</gadget>
<output>10</output>
<gadget id="calculator">10 + 1</gadget>
<output>11</output>
<result>11</result>


"六•一"儿童节那天，小明买了《昆虫王国的奥秘》和《海洋世界》两套从书共用去130元．一套《昆虫王国的奥秘》丛书的价钱是《海洋世界》的(5/8)，一套《海洋世界》丛书的价钱是多少元？

On the Children's Day of "June 1st", Xiao Ming bought two sets of "Mystery of the Insect Kingdom" and "Sea World" for 130 yuan. The price of a set of "Mysteries of the Insect Kingdom" series is that of "Sea World" (5/8). How much is the price of a set of "Sea World" series?

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">1 + (5/8)</gadget>
<output>13/8 = around 1.625</output>
<gadget id="calculator">130 / (13/8)</gadget>
<output>80</output>
<result>80</result>


5个连续自然数的平均数是16，其中最大的是多少．

The average of 5 consecutive natural numbers is 16, what is the largest of them.

<gadget id="calculator">16 + 2</gadget>
<output>18</output>
<result>18</result>


一个三角形和一个平行四边形的面积相等，底也相等，三角形的高是10dm，平行四边形的高是多少dm．

A triangle and a parallelogram have the same area and the same base, the height of the triangle is 10dm, what is the height of the parallelogram in dm.

<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<result>5</result>


有两副扑克牌，每副牌的排列顺序均按头两张是大王、小王，然后是黑桃、红桃、方块、梅花四种花色排列．每种花色的牌又按1，2，3，…，J，Q，K顺序排列．某人把按上述排列的两副扑克牌上下迭放在一起，然后把第一张丢掉，把第二张放在最底层，再把第三张丢掉，把第四张放在最底层，…．如此进行下去，直至最后只剩下一张牌．试问所剩的这张牌是哪一张？

There are two decks of playing cards, each deck of cards are arranged in the order of the first two cards are king, king, then spades, hearts, diamonds, clubs four suits. The cards of each suit are arranged in the order of 1, 2, 3, ..., J, Q, K. Someone puts the two decks of playing cards in the above arrangement one on top of the other, then discards the first card, puts the second card on the bottom, then discards the third card, and puts the fourth card on the bottom,... ． This continues until only one card is left. May I ask which card is left?

<gadget id="calculator">88 - 54 - 2 - 26</gadget>
<output>6</output>
<result>6</result>


水果店有苹果166.5千克，有梨18.5千克，苹果的重量是梨的几倍？

There are 166.5 kg of apples and 18.5 kg of pears in the fruit shop. How many times is the weight of the apples the weight of the pears?

<gadget id="calculator">166.5 / 18.5</gadget>
<output>9</output>
<result>9</result>


东坡小学三年级和四年级各有6个班，三年级平均每班45人，四年级平均每班55人，三、四年级一共有多少人？(用两种方法解答)

There are 6 classes in the third and fourth grades of Dongpo Primary School, with an average of 45 students in each class of the third grade and 55 students in each class of the fourth grade. How many students are there in the third and fourth grades? (answer in two ways)

<gadget id="calculator">45 * 6</gadget>
<output>270</output>
<gadget id="calculator">55 * 6</gadget>
<output>330</output>
<gadget id="calculator">270 + 330</gadget>
<output>600</output>
<result>600</result>


食堂买来大米与面粉各24袋，每袋大米50千克，每袋面粉25千克，买来的大米比面粉多多少千克？

The cafeteria bought 24 bags of rice and 24 bags of flour. Each bag of rice was 50 kilograms, and each bag of flour was 25 kilograms. How many kilograms more rice was bought than flour?

<gadget id="calculator">50 - 25</gadget>
<output>25</output>
<gadget id="calculator">25 * 24</gadget>
<output>600</output>
<result>600</result>


把一个高是3.6分米的圆锥熔铸成一个与它等底的圆柱，这个圆柱的高是多少．

If a cone with a height of 3.6 decimeters is melted and cast into a cylinder with the same base as it, what is the height of the cylinder?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">3.6 * (1/3)</gadget>
<output>1.2</output>
<result>1.2</result>


在前100个自然数之和中，将不能被3和4除尽的数相加，所得到的和是多少．

In the sum of the first 100 natural numbers, add the numbers that cannot be divisible by 3 and 4, what is the sum obtained?

<gadget id="calculator">3 + 99</gadget>
<output>102</output>
<gadget id="calculator">33 / 2</gadget>
<output>33/2 = around 16.5</output>
<gadget id="calculator">102 * (33/2)</gadget>
<output>1_683</output>
<gadget id="calculator">4 + 100</gadget>
<output>104</output>
<gadget id="calculator">25 / 2</gadget>
<output>25/2 = around 12.5</output>
<gadget id="calculator">104 * (25/2)</gadget>
<output>1_300</output>
<gadget id="calculator">5_050 - 1_683 - 1_300</gadget>
<output>2_067</output>
<gadget id="calculator">96 + 12</gadget>
<output>108</output>
<gadget id="calculator">96 / 12</gadget>
<output>8</output>
<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<gadget id="calculator">108 * 4</gadget>
<output>432</output>
<gadget id="calculator">2_067 + 432</gadget>
<output>2_499</output>
<result>2_499</result>


商是0.2，被除数是0.6，除数是多少．

The quotient is 0.2, the dividend is 0.6, what is the divisor.

<gadget id="calculator">0.6 / 0.2</gadget>
<output>3</output>
<result>3</result>


底面积体积分别相等的圆柱体和圆锥体，圆锥体的高是15厘米，那么圆柱的高是多少．

A cylinder and a cone have equal base area and volume, and the height of the cone is 15 cm. What is the height of the cylinder?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">15 * (1/3)</gadget>
<output>5</output>
<result>5</result>


六年级同学在春季进行植树活动，一共栽了160棵树苗，有4棵没有成活，求这次植树的成活率．

The sixth grade students planted trees in the spring. They planted a total of 160 saplings, and 4 of them did not survive. Find the survival rate of this tree planting.

<gadget id="calculator">160 - 4</gadget>
<output>156</output>
<gadget id="calculator">156 / 160</gadget>
<output>39/40 = around 0.975</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(39/40) * 1</gadget>
<output>39/40 = around 0.975</output>
<result>39/40 = around 0.975</result>


建筑工地上有15吨水泥，第一次用去它的25%，第二次用去(1/2)吨．两次共用去多少吨水泥？

There are 15 tons of cement on the construction site, 25% of it is used for the first time, and (1/2) ton is used for the second time. How many tons of cement are shared twice?

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">15 * (1/4)</gadget>
<output>15/4 = around 3.75</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(15/4) + (1/2)</gadget>
<output>17/4 = around 4.25</output>
<result>17/4 = around 4.25</result>


同学们锻炼身体．参加打球的有40人，参加跑步的比参加打球的多280人．参加跑步的是参加打球的多少倍？

Students exercise. There are 40 people participating in the game, and 280 more people participating in the running than participating in the game. How many times more people take part in running than play ball?

<gadget id="calculator">40 + 280</gadget>
<output>320</output>
<gadget id="calculator">320 / 40</gadget>
<output>8</output>
<result>8</result>


两辆汽车都从A地开往B地，甲车每小时行40千米，先行2小时后，乙车才出发，经过5小时乙车追上甲车．乙车每小时行多少千米？

Two cars are driving from point A to point B. Car A travels 40 kilometers per hour. After driving for 2 hours, car B starts off. After 5 hours, car B catches up with car A. How many kilometers does car B travel per hour?

<gadget id="calculator">2 + 5</gadget>
<output>7</output>
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>
<gadget id="calculator">40 * (7/5)</gadget>
<output>56</output>
<result>56</result>


建筑工地运来水泥74吨，运来的黄沙是水泥的3倍多12吨，运来黄沙多少吨？

The construction site shipped 74 tons of cement, and 12 tons of yellow sand, which was three times as much as cement. How many tons of yellow sand were shipped?

<gadget id="calculator">74 * 3</gadget>
<output>222</output>
<gadget id="calculator">222 + 12</gadget>
<output>234</output>
<result>234</result>


美国NBA是世界上最高水平的篮球比赛，姚明在某月的前四场比赛中平均每场得15分，在后六场比赛中平均每场得25分．姚明在整个月的比赛中平均每场得多少分？

The American NBA is the highest level basketball game in the world. Yao Ming averaged 15 points per game in the first four games of a certain month, and 25 points per game in the last six games. How many points per game did Yao Ming average throughout the month?

<gadget id="calculator">15 * 4</gadget>
<output>60</output>
<gadget id="calculator">25 * 6</gadget>
<output>150</output>
<gadget id="calculator">60 + 150</gadget>
<output>210</output>
<gadget id="calculator">4 + 6</gadget>
<output>10</output>
<gadget id="calculator">210 / 10</gadget>
<output>21</output>
<result>21</result>


一根1.5米的圆柱体木料，锯掉4分米长的一段后，表面积减少25.12平方分米，这跟木料原来的体积是多少立方分米．

A 1.5-meter cylinder of wood, after sawing off a section of 4 decimeters, the surface area is reduced by 25.12 square decimeters, which is equal to the original volume of the wood in cubic decimeters.

<gadget id="calculator">25.12 / 4 / 3.14 / 2</gadget>
<output>1</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1 * 1.5 * 10</gadget>
<output>47.1</output>
<result>47.1</result>


学校书法组有女生15人，比男生的(2/5)多5人，男生有多少人？

There are 15 girls in the school's calligraphy group, 5 more than boys (2/5). How many boys are there?

<gadget id="calculator">15 - 5</gadget>
<output>10</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">10 / (2/5)</gadget>
<output>25</output>
<result>25</result>


小华今年9月1日把积攒的500元压岁钱存入银行，定期3年，年利率3.69%，准备到期时把钱全部取出捐给希望工程，到时她可捐款多少钱？

On September 1 this year, Xiaohua deposited the 500 yuan lucky money she had accumulated into the bank for a period of 3 years, with an annual interest rate of 3.69%.

<gadget id="calculator">3.69 / 100</gadget>
<output>0.0369</output>
<gadget id="calculator">500 * 0.0369 * 3</gadget>
<output>55.35</output>
<gadget id="calculator">500 + 55.35</gadget>
<output>555.35</output>
<result>555.35</result>


一个长方形长宽的比是2：1，已知长方形的周长是144厘米，求长方形的面积．

The ratio of length to width of a rectangle is 2:1, and the perimeter of the rectangle is 144 cm, find the area of the rectangle.

<gadget id="calculator">144 / 2</gadget>
<output>72</output>
<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">72 * (2/3)</gadget>
<output>48</output>
<gadget id="calculator">72 - 48</gadget>
<output>24</output>
<gadget id="calculator">48 * 24</gadget>
<output>1_152</output>
<result>1_152</result>


一个圆形花坛的半径是8米．其中花坛的(1/4)种了牡丹．种牡丹的面积是多少平方米？

The radius of a circular flower bed is 8 meters. Among them, (1/4) of the flower beds are planted with peonies. How many square meters is the peony planting area?

<gadget id="calculator">8 ** 2</gadget>
<output>64</output>
<gadget id="calculator">64 / 4</gadget>
<output>16</output>
<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>
<result>50.24</result>


一个长方形如果宽不变，长增加6米，面积就增加30平方米；如果长不变，宽增加3米，面积就增加24平方米，这个长方形原来有多少平方米？

If the width of a rectangle remains the same and the length increases by 6 meters, the area increases by 30 square meters; if the length remains the same and the width increases by 3 meters, the area increases by 24 square meters. How many square meters does this rectangle originally have?

<gadget id="calculator">30 / 6</gadget>
<output>5</output>
<gadget id="calculator">24 / 3</gadget>
<output>8</output>
<gadget id="calculator">5 * 8</gadget>
<output>40</output>
<result>40</result>


一面直角三角形小红旗的两条直角边分别是8厘米和6厘米，这面小红旗的面积是多少平方厘米．

The two right-angled sides of a right-angled triangle small red flag are 8 cm and 6 cm respectively, what is the area of this small red flag in square centimeters?

<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">8 * 3</gadget>
<output>24</output>
<result>24</result>


一个因数是193，另一个因数是27，积是多少．

One factor is 193 and the other factor is 27. What is the product?

<gadget id="calculator">193 * 27</gadget>
<output>5_211</output>
<result>5_211</result>


一段公路全长是1600米，修好了(5/8)，修好了多少米，还剩下((())/(()))没有修．

The total length of a section of road is 1600 meters, (5/8) has been repaired, how many meters have been repaired, and ((())/(())) is left unrepaired.

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">1_600 * (5/8)</gadget>
<output>1_000</output>
<result>1_000</result>


一辆汽车从甲地开往乙地，平均每小时行驶135千米，去时用了5小时，返回时只用4小时，这辆汽车返回时速度是多少？

A car travels from A to B at an average of 135 kilometers per hour. It takes 5 hours to go there and only 4 hours to return. What is the speed of the car when it returns?

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">135 * (5/4)</gadget>
<output>675/4 = around 168.75</output>
<result>675/4 = around 168.75</result>


在(3/5)=(15/25)这个比例里，两个内项的和是多少．

In the ratio (3/5)=(15/25), what is the sum of the two inner terms.

<gadget id="calculator">5 + 15</gadget>
<output>20</output>
<result>20</result>


According to 85*32=2720, then how much is 85*320=.

<gadget id="calculator">32 * 10</gadget>
<output>320</output>
<gadget id="calculator">85 * 320</gadget>
<output>27_200</output>
<result>27_200</result>


12和18的最大公约数是多少．

What is the greatest common divisor of 12 and 18?

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


六2班没有参加植树的人数是参加植树人数的20%，参加植树的人数比没有参加的人数多32人，没有参加植树的有多少人？(用方程解)

The number of people who did not participate in tree planting in class 6 and 2 was 20% of the number of people who participated in tree planting. The number of people who participated in tree planting was 32 more than the number of people who did not participate in tree planting. How many people did not participate in tree planting? (solution by equation)

<gadget id="calculator">32 / 0.8</gadget>
<output>40</output>
<gadget id="calculator">0.2 * 40</gadget>
<output>8</output>
<result>8</result>


印刷厂用一批纸装订练习本．如果每本50页，可以装订1200本；如果每本30页，可以装订多少本？(列比例解答)

The printing factory binds exercise books with a batch of paper. If each book has 50 pages, 1200 books can be bound; if each book has 30 pages, how many books can be bound? (column ratio solution)

<gadget id="calculator">50 * 1_200</gadget>
<output>60_000</output>
<gadget id="calculator">60_000 / 30</gadget>
<output>2_000</output>
<result>2_000</result>


目前世界上最长的跨海大桥--杭州湾宁波跨海大桥全长36千米，把它画在比例尺是1：100000的图上，应画多少厘米．

At present, the longest sea-crossing bridge in the world - Hangzhou Bay Ningbo Sea-crossing Bridge has a total length of 36 kilometers. If it is drawn on a map with a scale of 1:100,000, how many centimeters should it draw?

<gadget id="calculator">1 / 100_000</gadget>
<output>1/100_000 = around 0.00001</output>
<gadget id="calculator">36 * 100_000 * (1/100_000)</gadget>
<output>36</output>
<result>36</result>


甲、乙两地相距800千米，在比例尺是1：25000000的地图上，应画多少厘米．

The distance between A and B is 800 kilometers, how many centimeters should be drawn on a map with a scale of 1:25000000.

<gadget id="calculator">1 / 25_000_000</gadget>
<output>1/25_000_000 = around 0</output>
<gadget id="calculator">800 * 100_000 * (1/25_000_000)</gadget>
<output>16/5 = around 3.2</output>
<result>16/5 = around 3.2</result>


一个皮球从20米的高度落下，每次弹起的高度是下落高度的(2/5)．这个皮球第二次落下后能弹起多少米？

A ball is dropped from a height of 20 meters, and the height of each bounce is (2/5) of the height of the drop. How many meters can the ball bounce after falling for the second time?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">20 * (2/5) * (2/5)</gadget>
<output>16/5 = around 3.2</output>
<result>16/5 = around 3.2</result>


按50：1的比例尺画图，一个零件画在图上是10厘米，这个零件的实际长是多少厘米．

Draw a drawing on a scale of 50:1. A part is 10 centimeters on the drawing. What is the actual length of the part in centimeters?

<gadget id="calculator">50 / 1</gadget>
<output>50</output>
<gadget id="calculator">10 / 50</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


烟火店"滚地雷"上午卖出56盒，下午卖出32盒，每盒"滚地雷"25元．烟火店一共收入多少元？(用两种方法计算)

The fireworks shop sold 56 boxes of "Rolling Mine" in the morning and 32 boxes in the afternoon, and each box of "Rolling Mine" was 25 yuan. How much is the total income of the fireworks shop? (calculated in two ways)

<gadget id="calculator">56 * 25</gadget>
<output>1_400</output>
<gadget id="calculator">32 * 25</gadget>
<output>800</output>
<gadget id="calculator">1_400 + 800</gadget>
<output>2_200</output>
<result>2_200</result>


一个用无盖铁皮制的圆柱形油桶，底面直径是20分米，高是5分米．如果1升汽油重068千克，这个油桶能装汽油多少千克．

A cylindrical oil drum made of iron sheet without a cover has a bottom diameter of 20 decimeters and a height of 5 decimeters. If 1 liter of gasoline weighs 068 kilograms, how many kilograms of gasoline can this barrel hold?

<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>
<gadget id="calculator">3.14 * 100 * 5</gadget>
<output>1_570</output>
<gadget id="calculator">1_570 * 0.68</gadget>
<output>1_067.6</output>
<result>1_067.6</result>


一个长方体饼干盒，长、宽、高分别是15厘米、12厘米和22厘米．如果在它的侧面贴满一圈包装纸，包装纸的面积至少需要多少平方厘米．

cuboid biscuit box has a length, width, and height of 15 cm, 12 cm, and 22 cm, respectively. If a circle of wrapping paper is pasted on its side, how many square centimeters does the area of the wrapping paper need at least?

<gadget id="calculator">15 * 22</gadget>
<output>330</output>
<gadget id="calculator">12 * 22</gadget>
<output>264</output>
<gadget id="calculator">330 + 264</gadget>
<output>594</output>
<gadget id="calculator">594 * 2</gadget>
<output>1_188</output>
<result>1_188</result>


已知某足球教练与两位足球员的年龄之和为100岁，12年后教练年龄是这两位队员年龄之和，那么教练今年的年龄是多少岁．

It is known that the sum of the ages of a football coach and two football players is 100 years old. After 12 years, the age of the coach is the sum of the ages of the two players. What is the age of the coach this year?

<gadget id="calculator">100 + 12</gadget>
<output>112</output>
<gadget id="calculator">112 / 2</gadget>
<output>56</output>
<result>56</result>


找规律填空：1、3、7、13、23、多少、65…

Find the rules and fill in the blanks: 1, 3, 7, 13, 23, how much, 65...

<gadget id="calculator">6 + 10</gadget>
<output>16</output>
<gadget id="calculator">23 + 16</gadget>
<output>39</output>
<result>39</result>


王叔叔买有奖明信片中奖5000元，按规定要缴纳5%的个人所得税，王叔叔实际得到多少元？

Uncle Wang won a prize of 5,000 yuan by buying postcards with prizes. According to regulations, he has to pay 5% personal income tax. How much yuan did Uncle Wang actually get?

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">5_000 * (1/20)</gadget>
<output>250</output>
<gadget id="calculator">5_000 - 250</gadget>
<output>4_750</output>
<result>4_750</result>


某村要修一个长80米、宽60米、深1.5米的蓄水池，如果要在水池的四周和底面抹一层水泥．抹水泥的面积是多少平方米？

A certain village wants to build a reservoir with a length of 80 meters, a width of 60 meters and a depth of 1.5 meters. How many square meters is the area covered with cement?

<gadget id="calculator">80 * 60</gadget>
<output>4_800</output>
<gadget id="calculator">60 * 1.5</gadget>
<output>90</output>
<gadget id="calculator">1.5 * 80</gadget>
<output>120</output>
<gadget id="calculator">4_800 + 90 + 120</gadget>
<output>5_010</output>
<gadget id="calculator">5_010 * 2</gadget>
<output>10_020</output>
<gadget id="calculator">10_020 - 4_800</gadget>
<output>5_220</output>
<result>5_220</result>


2008年北京奥运会火炬在零风速下最高火焰与最低火焰的比是6：5，已知最低火焰为25厘米．最高火焰是多少厘米？

The ratio of the highest flame to the lowest flame of the 2008 Beijing Olympic torch at zero wind speed is 6:5, and the known lowest flame is 25 cm. What is the tallest flame in centimeters?

<gadget id="calculator">25 / 5</gadget>
<output>5</output>
<gadget id="calculator">5 * 6</gadget>
<output>30</output>
<result>30</result>


某航空公司开辟飞越北京的新航线后，北京至美国城市底特律的航线，单程可节省4小时，一飞行员驾机以每小时830千米的速度从北京出发沿旧航线飞至底特律，又沿新航线飞回北京，发现此次航行飞行总时间为24小时，问新航线有多少千米？

After an airline opens a new flight route over Beijing, the route from Beijing to Detroit, the United States, can save 4 hours one way. A pilot flies from Beijing to Detroit along the old route at a speed of 830 kilometers per hour, and then along the new route. The airline flew back to Beijing and found that the total flight time of the flight was 24 hours. How many kilometers is the new airline?

<gadget id="calculator">24 - 4</gadget>
<output>20</output>
<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">830 * 10</gadget>
<output>8_300</output>
<result>8_300</result>


五1班45名同学去看电影，电影院规定：个人票每张8元，40人以上可以买团体票，每张便宜1.5元，请你算一算，全班买票最少要多少钱？

45 students from class 5 and 1 went to the movies. The movie theater stipulated: Individual tickets are 8 yuan each, and group tickets can be bought for more than 40 people. Each ticket is 1.5 yuan cheaper. Please do the math, how much is the minimum price for the whole class to buy tickets?

<gadget id="calculator">8 - 1.5</gadget>
<output>6.5</output>
<gadget id="calculator">45 * 6.5</gadget>
<output>292.5</output>
<result>292.5</result>


小明从家到学校上学，要走1.3千米．一天上学，他走了0.3千米后发现没带数学作业本，又回家去取，这样他比平时上学多走了多少米．

Xiao Ming has to walk 1.3 kilometers from home to school. One day when he went to school, he walked 0.3 kilometers and found that he didn't bring his math homework book, so he went home to get it, so he walked more meters than usual.

<gadget id="calculator">0.3 * 2 * 1_000</gadget>
<output>600</output>
<result>600</result>


五年级一班有50名同学，其中有30人会弹钢琴，26人会拉小提琴，但是有8个人既不会弹钢琴又不会拉小提琴，哪么这个班上既会弹钢琴又会拉小提琴的有多少人？

There are 50 students in the fifth grade class, 30 of them can play the piano, 26 can play the violin, but 8 can neither play the piano nor the violin, how can this class be able to play both the piano and the violin? How many violinists are there?

<gadget id="calculator">30 + 26</gadget>
<output>56</output>
<gadget id="calculator">50 - 8</gadget>
<output>42</output>
<gadget id="calculator">56 - 42</gadget>
<output>14</output>
<result>14</result>


一根彩带对折两次后测得每段长108厘米，这根彩带有多长？

A colored ribbon is folded twice and each section measures 108 cm in length. How long is this ribbon?

<gadget id="calculator">108 * 2 * 2</gadget>
<output>432</output>
<result>432</result>


一个圆形花坛的直径是12.5米，这个花园的周长是几米？

The diameter of a circular flower bed is 12.5 meters. What is the circumference of the garden?

<gadget id="calculator">3.14 * 12.5</gadget>
<output>39.25</output>
<result>39.25</result>


养殖场有鸡3200只，第一周卖出(3/8)，第二周卖出(2/5)．两周一共卖出多少只？

There are 3200 chickens in the farm, which are sold in the first week (3/8) and in the second week (2/5). How many were sold in two weeks?

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(3/8) + (2/5)</gadget>
<output>31/40 = around 0.775</output>
<gadget id="calculator">3_200 * (31/40)</gadget>
<output>2_480</output>
<result>2_480</result>


长72米的列车追上并超过长108米的货车用了10秒，如果货车的速度为原来速度的1(1/5)倍，那么列车追上并超过货车就用了15秒．求：货车的速度是每秒多少米？

It takes 10 seconds for the 72-meter-long train to catch up with and overtake the 108-meter-long truck. If the speed of the truck is 1 (1/5) times the original speed, it will take 15 seconds for the train to catch up with and overtake the truck. Ask: What is the speed of the truck in meters per second?

<gadget id="calculator">270 - 180</gadget>
<output>90</output>
<gadget id="calculator">72 + 108</gadget>
<output>180</output>
<gadget id="calculator">180 / 10</gadget>
<output>18</output>
<gadget id="calculator">90 / 18</gadget>
<output>5</output>
<result>5</result>


商店卖气枪子弹，每粒1分钱，每5粒4分钱，每10粒7分钱，每20粒1角2分钱．小明的钱至多能买73粒，小刚的钱至多能买87粒，小明和小刚的钱合起来能买多少粒．

Stores sell airsoft bullets for 1 cent per pellet, 4 cents for every 5 pellets, 7 cents for every 10 pellets, and 10 cents for every 20 pellets. Xiao Ming’s money can buy at most 73 pills, and Xiao Gang’s money can buy at most 87 pills. How many pills can Xiao Ming and Xiao Gang’s combined money buy.

<gadget id="calculator">20 * 8</gadget>
<output>160</output>
<gadget id="calculator">160 + 5</gadget>
<output>165</output>
<result>165</result>


一个养兔专业户养白兔25笼，每笼28只，养灰兔24笼，每笼45只，这个专业户共养兔多少只？

A professional rabbit raising household raises 25 cages of white rabbits, 28 in each cage, and 24 cages of gray rabbits, 45 in each cage. How many rabbits does this professional household raise in total?

<gadget id="calculator">25 * 28</gadget>
<output>700</output>
<gadget id="calculator">24 * 45</gadget>
<output>1_080</output>
<gadget id="calculator">700 + 1_080</gadget>
<output>1_780</output>
<result>1_780</result>


位于意大利中部比萨古城内的教堂广场上的比萨斜塔高度是54.5米，如果按实际高度缩小10倍建造模型，那么这座模型高多少米．

The height of the Leaning Tower of Pisa on the church square in the ancient city of Pisa in central Italy is 54.5 meters. If the model is built by reducing the actual height by 10 times, how much is the height of the model?

<gadget id="calculator">54.5 / 10</gadget>
<output>5.45</output>
<result>5.45</result>


∠1与∠2的和是180°，∠2=54°，那么∠1=多少．

The sum of ∠1 and ∠2 is 180°, ∠2=54°, then ∠1=how much.

<gadget id="calculator">180 - 54</gadget>
<output>126</output>
<result>126</result>


小明清早起来，洗脸、刷牙需要5分钟，整理床铺需要2分钟，烧开水需要10分钟，小明要把这些事情全部做完，他最快要多少分钟才能喝上水．

Xiao Ming wakes up early in the morning. It takes 5 minutes to wash his face and brush his teeth, 2 minutes to make the bed, and 10 minutes to boil water. Xiao Ming has to finish all these things. How long will it take him to drink water at the fastest?


一列客车和一列货车同时从A、B两地相对开出，客车行完全程要10小时，货车行完全程要15小时．两车中途相遇后，客车又行了108千米，这时客车行了全程的(4/5)．A、B两地相距多少千米？

A train of passenger trains and a train of freight trains depart from A and B oppositely at the same time. It takes 10 hours for the passenger train to complete the journey, and 15 hours for the complete journey of the freight train. After the two cars met halfway, the bus traveled another 108 kilometers, and at this time the bus traveled the entire distance (4/5). How many kilometers are there between A and B?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/10) + (1/15)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 / (1/6)</gadget>
<output>6</output>
<gadget id="calculator">6 * (1/10)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(4/5) - (3/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">108 / (1/5)</gadget>
<output>540</output>
<result>540</result>


把(6/7)米长的彩条平均分成2段，每段是全长的((())/(()))，每段长多少米，每段是1米的((())/(()))．

Divide the (6/7) meter-long color bar into 2 sections on average, each section is the full length ((())/(())), how many meters is each section, and each section is 1 meter long ((()) )/(())).

<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>
<gadget id="calculator">(6/7) / 2 / 1</gadget>
<output>3/7 = around 0.428571</output>
<result>3/7 = around 0.428571</result>


一年前，父母的年龄和是兄弟二人年龄和的7倍，4年后，父母的年龄和是兄弟二人年龄和的4倍．已知爸爸和妈妈同岁．请问妈妈今年几岁？

One year ago, the sum of the ages of the parents was 7 times the sum of the ages of the two brothers. Four years later, the sum of the ages of the parents was four times the sum of the ages of the two brothers. It is known that father and mother are the same age. May I ask how old is your mother?

<gadget id="calculator">5 * 2 * 4</gadget>
<output>40</output>
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">(2/7) * 4</gadget>
<output>8/7 = around 1.142857</output>
<gadget id="calculator">5 * 2</gadget>
<output>10</output>
<gadget id="calculator">2 - (8/7) - 10</gadget>
<output>-64/7 = around -9.142857</output>
<gadget id="calculator">40 + (-64/7)</gadget>
<output>216/7 = around 30.857143</output>
<gadget id="calculator">2 - (8/7)</gadget>
<output>6/7 = around 0.857143</output>
<gadget id="calculator">(216/7) / (6/7)</gadget>
<output>36</output>
<result>36</result>


一个梯形的上底是8分米，下底是12分米，高是10分米，剪去一个最大的三角形后，剩下的面积是多少平方分米．

The upper base of a trapezoid is 8 decimeters, the lower base is 12 decimeters, and the height is 10 decimeters. After cutting off the largest triangle, what is the remaining area in square decimeters?

<gadget id="calculator">8 + 12</gadget>
<output>20</output>
<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">20 * 5</gadget>
<output>100</output>
<gadget id="calculator">12 * 5</gadget>
<output>60</output>
<gadget id="calculator">100 - 60</gadget>
<output>40</output>
<result>40</result>


某项工程，甲单独做15天可以完成．现甲做了9天后另有任务，剩下的工作由乙完成，用了8天．若这项工程全部由乙单独完成需要多少天．

certain project can be completed by A alone in 15 days. Now A has another task after 9 days of work, and the rest of the work is completed by B, which took 8 days. How many days will it take if the whole project is completed by B alone?

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/15) * 9</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">8 / (2/5)</gadget>
<output>20</output>
<result>20</result>


有一盘水果，3个3个数余2个，4个4个数余3个，5个5个数余4个，6个6个数余5个，这个盘子里最少有多少个水果．

There is a plate of fruits, there are 3 and 3 remaining 2, 4 and 4 remaining 3, 5 and 5 remaining 4, 6 and 6 remaining 5, how many fruits are there at least in this plate.

<gadget id="calculator">3 * 2 * 2 * 5</gadget>
<output>60</output>
<gadget id="calculator">60 - 1</gadget>
<output>59</output>
<result>59</result>


一张长0.9米，宽0.6米的长方形红布，能它来做两条直角边都是3分米的小红旗，一共可以做多少面？

A piece of rectangular red cloth with a length of 0.9 meters and a width of 0.6 meters can be used to make two small red flags whose right-angled sides are 3 decimeters. How many sides can be made in total?

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">(3/10) / 2</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">(3/10) * (3/20)</gadget>
<output>9/200 = around 0.045</output>
<gadget id="calculator">0.6 / (9/200)</gadget>
<output>13.333333</output>
<gadget id="calculator">0.9 * 13.333333</gadget>
<output>12</output>
<result>12</result>


六2班要从6名同学中选出2名代表参加演讲比赛，有多少种不同的组队方案．

Class 6 2 has to select 2 representatives from 6 students to participate in a speech contest. How many different team formation plans are there?

<gadget id="calculator">6 - 1</gadget>
<output>5</output>
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">6 * (5/2)</gadget>
<output>15</output>
<result>15</result>


学校买来72套单人课桌椅，每张课桌135元，每张椅子37元，一共要花多少钱？

The school bought 72 sets of single-person desks and chairs, each desk is 135 yuan, and each chair is 37 yuan. How much does it cost in total?

<gadget id="calculator">135 + 37</gadget>
<output>172</output>
<gadget id="calculator">172 * 72</gadget>
<output>12_384</output>
<result>12_384</result>


一个圆锥形沙堆，高是3米，底面直径4米．把这些沙子铺在一个长为5米宽为2米的长方形的沙坑里，铺的厚度是多少厘米？

A conical pile of sand is 3 meters high and 4 meters in diameter at the base. Spread the sand in a rectangular bunker with a length of 5 meters and a width of 2 meters. What is the thickness of the sand in centimeters?

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">5 * 2</gadget>
<output>10</output>
<gadget id="calculator">(1/3) / 10</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">3.14 * 4 * 3 * (1/30) * 100</gadget>
<output>125.6</output>
<result>125.6</result>


甲乙两种衬衣的原价相同．换季时，甲种衬衣按四折销售，乙种衬衣按五折销售．小龙的爸爸用108元钱购买这两种衬衣各一件．这两种衬衣的原价每件是多少元？

The original price of the two shirts of A and B is the same. When changing seasons, type A shirts are sold at a 40% discount, and type B shirts are sold at a 50% discount. Xiaolong's father bought one of these two kinds of shirts with 108 yuan. How much is the original price of these two shirts?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(2/5) + (1/2)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">108 / (9/10)</gadget>
<output>120</output>
<result>120</result>


估算下面4个算式的计算结果，最大的是多少

Estimate the calculation results of the following 4 formulas, what is the largest

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>
<gadget id="calculator">1 - (1/9)</gadget>
<output>8/9 = around 0.888889</output>
<gadget id="calculator">888 / (8/9)</gadget>
<output>999</output>
<result>999</result>


一个长方形花圃长85米，宽46米，平均每平方米栽树4棵，一共可以栽多少棵树？

A rectangular flowerbed is 85 meters long and 46 meters wide. On average, 4 trees are planted per square meter. How many trees can be planted in total?

<gadget id="calculator">85 * 46 * 4</gadget>
<output>15_640</output>
<result>15_640</result>


下面三个数中，哪一个数更接近1000？多少

Which of the following three numbers is closer to 1000? How many


小明和弟弟做游戏，他把一个铁球浸没在一个底面半径是12分米的圆柱形水槽中，水面高度由13.5分米上升到14分米．求这个铁球的体积．

Xiao Ming played a game with his younger brother. He submerged an iron ball in a cylindrical tank with a bottom radius of 12 decimeters. The height of the water surface rose from 13.5 decimeters to 14 decimeters. Find the volume of this iron ball.

<gadget id="calculator">12 ** 2</gadget>
<output>144</output>
<gadget id="calculator">14 - 13.5</gadget>
<output>0.5</output>
<gadget id="calculator">3.14 * 144 * 0.5</gadget>
<output>226.08</output>
<result>226.08</result>


一个长方形的周长是40厘米，长与宽的比是4：1，求这个长方形的面积．

If the perimeter of a rectangle is 40 cm and the ratio of length to width is 4:1, find the area of the rectangle.

<gadget id="calculator">40 / 2</gadget>
<output>20</output>
<gadget id="calculator">4 + 1</gadget>
<output>5</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">20 * (4/5) * 20 * (1/5)</gadget>
<output>64</output>
<result>64</result>


某食堂买来面粉600千克．第一周吃了(1/5)，第二周吃了第一周的(9/10)．还剩多少千克？

A canteen bought 600 kilograms of flour. I ate (1/5) in the first week, and (9/10) in the first week in the second week. How many kilograms are left?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">600 * (1/5)</gadget>
<output>120</output>
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">600 * (1/5) * (9/10)</gadget>
<output>108</output>
<gadget id="calculator">120 + 108</gadget>
<output>228</output>
<gadget id="calculator">600 - 228</gadget>
<output>372</output>
<result>372</result>


一个房间，如果用边长为0.3m的方砖铺地，需800块，如果改用边长为0.2m的方砖铺地，需要多少块？(用比例解答)

If a room is paved with square bricks with a side length of 0.3m, 800 pieces are needed. If the floor is paved with square bricks with a side length of 0.2m, how many pieces are needed? (answer with ratio)

<gadget id="calculator">0.3 * 0.3 * 800</gadget>
<output>72</output>
<gadget id="calculator">0.2 * 0.2</gadget>
<output>0.04</output>
<gadget id="calculator">72 / 0.04</gadget>
<output>1_800</output>
<result>1_800</result>


一份稿件，甲单独打要(1/4)小时，乙单独打要(1/3)小时，现2人合打，多少小时才能打完这份稿件的(2/5)．

For a manuscript, it takes (1/4) hours for A to type alone, and (1/3) hour for B to type alone. Now, how many hours will it take (2/5) for two people to type this manuscript together.

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</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">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 / (1/3)</gadget>
<output>3</output>
<gadget id="calculator">4 + 3</gadget>
<output>7</output>
<gadget id="calculator">(2/5) / 7</gadget>
<output>2/35 = around 0.057143</output>
<result>2/35 = around 0.057143</result>


圆形花坛的半径是2米，绕花坛一周至少有多少米

The radius of a circular flower bed is 2 meters, how many meters is there at least around the flower bed

<gadget id="calculator">3.14 * 2 * 2</gadget>
<output>12.56</output>
<result>12.56</result>


□72/47的商是一位数，□里最大填多少．

□The quotient of 72/47 is a single digit, what is the maximum number in □.


我国发射的第一颗人造地球卫星绕地球一周要用114分钟，绕地球69周要用多少时间？比5天时间长些还是短些？

It takes 114 minutes for the first artificial earth satellite launched by our country to circle the earth, how long will it take to circle the earth 69 times? Is it longer or shorter than 5 days?


小明卧室地面的长和宽分别是4m和3m．用边长为40cm的正方形地砖铺满整个地面，至少需要多少块这样的地砖．

The length and width of Xiaoming's bedroom floor are 4m and 3m respectively. How many square floor tiles with a side length of 40 cm are used to cover the entire floor?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(2/5) * (2/5)</gadget>
<output>4/25 = around 0.16</output>
<gadget id="calculator">3 / (4/25)</gadget>
<output>75/4 = around 18.75</output>
<gadget id="calculator">4 * (75/4)</gadget>
<output>75</output>
<result>75</result>


水果店有600千克苹果，运走8筐，每筐30千克，还剩多少千克？

There are 600 kilograms of apples in the fruit store, and 8 baskets of 30 kilograms are transported away. How many kilograms are left?

<gadget id="calculator">30 * 8</gadget>
<output>240</output>
<gadget id="calculator">600 - 240</gadget>
<output>360</output>
<result>360</result>


甲乙两城相距1388.6千米，一辆客车从甲城开往乙城，每小时行62.8千米，客车开出30分钟后，一辆货车乙城出发开往甲城．每小时行50.3千米．货车开出几小时后两车相遇？

The distance between A and B cities is 1388.6 kilometers. A bus drives from A to B at a speed of 62.8 kilometers per hour. 30 minutes after the bus leaves, a truck departs from B to A. Travel 50.3 kilometers per hour. How many hours after the truck leaves, the two vehicles meet?

<gadget id="calculator">62.8 * 0.5</gadget>
<output>31.4</output>
<gadget id="calculator">1_388.6 - 31.4</gadget>
<output>1_357.2</output>
<gadget id="calculator">62.8 + 50.3</gadget>
<output>113.1</output>
<gadget id="calculator">1_357.2 / 113.1</gadget>
<output>12</output>
<result>12</result>


王爷爷家养了84只鸭，养鹅的只数是鸭的一半．王爷爷家一共养鸭、鹅多少只？

Grandpa Wang's family raised 84 ducks, and the number of geese raised was half of the number of ducks. How many ducks and geese did Grandpa Wang raise in total?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">84 * (1/2)</gadget>
<output>42</output>
<gadget id="calculator">42 + 84</gadget>
<output>126</output>
<result>126</result>


一袋米的单价是a元，食堂买了n袋，总共用了c元．a=27.5，n=30，求c．

The unit price of a bag of rice is a yuan, and the cafeteria bought n bags, and the total cost was c yuan. a=27.5, n=30, find c.

<gadget id="calculator">27.5 * 30</gadget>
<output>825</output>
<result>825</result>