周永和李刚两家相距600米，他们同时从自己家里出发，相向而行，经过4分钟相遇．周永每分钟走72米，李刚每分钟走多少米？

The two families of Zhou Yong and Li Gang were 600 meters apart. They set off from their own homes at the same time, walked toward each other, and met after 4 minutes. Zhou Yong walks 72 meters per minute, how many meters per minute does Li Gang walk?

<gadget id="calculator">600 / 4</gadget>
<output>150</output>
<gadget id="calculator">150 - 72</gadget>
<output>78</output>
<result>78</result>


岱岳区有3路公交车，每条线路各有5辆车，这3路车每天共收入4800元，照这样计算，公司又增添了5路公交车，并且每条线路比原来各增加两辆车，现在每天共收入多少元？

There are No. 3 buses in Daiyue District, and each route has 5 vehicles. The total income of these 3 routes is 4,800 yuan per day. According to this calculation, the company has added 5 buses, and each route has increased by two times compared with the original one. How much is the total daily income from the car?

<gadget id="calculator">4_800 / 5 / 3</gadget>
<output>320</output>
<gadget id="calculator">3 + 5</gadget>
<output>8</output>
<gadget id="calculator">5 + 2</gadget>
<output>7</output>
<gadget id="calculator">8 * 7</gadget>
<output>56</output>
<gadget id="calculator">320 * 56</gadget>
<output>17_920</output>
<result>17_920</result>


一个圆柱和一个圆锥的体积和底面积都相等，圆锥的高是3厘米，圆柱的高是多少厘米．

A cylinder and a cone have the same volume and base area. The height of the cone is 3 cm. What is the height of the cylinder in cm?

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


1和(1/10)之间有多少个一位小数．

How many decimal places are there between 1 and (1/10).


如果乙数比甲数多60%，那么甲数比乙数少多少

If number B is 60% more than number A, how much less is number A than number B?

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>
<gadget id="calculator">1 * (8/5)</gadget>
<output>8/5 = around 1.6</output>
<gadget id="calculator">(8/5) - 1</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(3/5) / (8/5)</gadget>
<output>3/8 = around 0.375</output>
<result>3/8 = around 0.375</result>


妈妈把8kg葡萄干平均装在10个袋子里，每袋装多少千克？

Mom puts 8kg of raisins in 10 bags on average, how many kilograms are in each bag?

<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>
<result>4/5 = around 0.8</result>


压路机的滚筒是一个圆柱体，它的底面直径是1米，长2米．每分钟滚动10周，每分钟能压多大面积的路面？

The roller of a road roller is a cylinder with a diameter of 1 meter at the bottom and a length of 2 meters. Rolling 10 cycles per minute, how much area of road surface can be pressed per minute?

<gadget id="calculator">3.14 * 1 * 2 * 10</gadget>
<output>62.8</output>
<result>62.8</result>


甲乙两地相距420千米，一辆汽车从甲地开往乙地，行驶了全程的(5/7)，距离乙地还有多少千米？

The distance between A and B is 420 kilometers. A car drives from A to B and travels the whole distance (5/7). How many kilometers away is it from B?

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">420 * (5/7)</gadget>
<output>300</output>
<gadget id="calculator">420 - 300</gadget>
<output>120</output>
<result>120</result>


学校将一批树苗的栽种任务按2：3：4分给四、五、六三个年级，已知四年级和五年级共分到80棵，六年级分得多少棵？

The school distributes the planting task of a batch of saplings to the fourth, fifth and sixth grades according to 2:3:4. It is known that the fourth and fifth grades are divided into 80 trees, how many are the sixth grades?

<gadget id="calculator">2 + 3</gadget>
<output>5</output>
<gadget id="calculator">2 + 3 + 4</gadget>
<output>9</output>
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">80 / (5/9)</gadget>
<output>144</output>
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">144 * (4/9)</gadget>
<output>64</output>
<result>64</result>


王阿姨买了5000元的国家建设债券，定期三年，年利率3.14%，到期时，她可以从银行取回本息多少元？

Aunt Wang bought 5,000 yuan of national construction bonds, fixed for three years, with an annual interest rate of 3.14%. How much can she get back the principal and interest from the bank when it expires?

<gadget id="calculator">3.14 / 100</gadget>
<output>0.0314</output>
<gadget id="calculator">5_000 * 0.0314 * 3</gadget>
<output>471</output>
<gadget id="calculator">5_000 + 471</gadget>
<output>5_471</output>
<result>5_471</result>


把一个棱长为6分米的正方体铁块锻造成一个底面是12平方分米的长方体，这个长方体的高是多少分米？

A cube of iron with side length of 6 decimeters is forged into a cuboid whose base is 12 decimeters square. What is the height of the cuboid?

<gadget id="calculator">6 / 12</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">6 * 6 * (1/2)</gadget>
<output>18</output>
<result>18</result>


乓球拍14元，买5送2副，一次买5副，每副便宜几元？

Tennis rackets are 14 yuan, buy 5 get 2 free, buy 5 at a time, how much is each pair cheaper?

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">14 * (5/7)</gadget>
<output>10</output>
<gadget id="calculator">14 - 10</gadget>
<output>4</output>
<result>4</result>


一种电子产品，合格率为90%，如果生产一批2000只，淘汰不合格产品后，每只按9.6元销售，这批电子产品共可销售多少元？

A kind of electronic product has a pass rate of 90%. If a batch of 2,000 pieces is produced and the unqualified products are eliminated, each piece is sold at 9.6 yuan. How much can this batch of electronic products be sold in total?

<gadget id="calculator">2_000 * 0.9 * 9.6</gadget>
<output>17_280</output>
<result>17_280</result>


杨叔叔从上午8时到12时，一共加工了720个零件，平均每小时加工多少个零件？

Uncle Yang processed a total of 720 parts from 8:00 am to 12:00 am. How many parts are processed on average per hour?

<gadget id="calculator">12 - 8</gadget>
<output>4</output>
<gadget id="calculator">720 / 4</gadget>
<output>180</output>
<result>180</result>


一个班在一年中组织了三次郊游活动，有70%的学生参加了第一次郊游，80%的同学参加了第二次郊游，90%的同学参加了第三次郊游，有12人这三次郊游都参加了，全班每人至少参加两次，这个班有多少学生．

A class organized three outings in one year, 70% of the students participated in the first outing, 80% of the students participated in the second outing, 90% of the students participated in the third outing, and 12 people participated in the outing. Participated in all three outings. Everyone in the class participated at least twice. How many students are there in this class?

<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">(7/10) + (4/5) + (9/10)</gadget>
<output>12/5 = around 2.4</output>
<gadget id="calculator">1 - (12/5)</gadget>
<output>-7/5 = around -1.4</output>
<gadget id="calculator">(4/5) - 1</gadget>
<output>-1/5 = around -0.2</output>
<gadget id="calculator">(7/10) + (-1/5)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(9/10) - 1</gadget>
<output>-1/10 = around -0.1</output>
<gadget id="calculator">(4/5) + (-1/10)</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">(7/10) + (-1/10)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(1/2) + (7/10) + (3/5)</gadget>
<output>9/5 = around 1.8</output>
<gadget id="calculator">(-7/5) + (9/5)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">12 / (2/5)</gadget>
<output>30</output>
<result>30</result>


某班有学生45人，都借课外书，其中借语文课外书的有39人，借数学课外书的有32人．两种课外书都借的有多少人？

There are 45 students in a class, all of whom borrow extracurricular books, among which 39 borrow Chinese extracurricular books, and 32 borrow math extracurricular books. How many people borrow both kinds of extracurricular books?

<gadget id="calculator">39 + 32</gadget>
<output>71</output>
<gadget id="calculator">71 - 45</gadget>
<output>26</output>
<result>26</result>


一个长方形，长13厘米，宽6厘米，周长是多少厘米．

A rectangle is 13 cm long and 6 cm wide, what is the perimeter in cm?

<gadget id="calculator">13 + 6</gadget>
<output>19</output>
<gadget id="calculator">19 * 2</gadget>
<output>38</output>
<result>38</result>


一辆汽车从相距225千米的甲地开往乙地，3小时行了135千米，照这样的速度，还要几小时才能达到乙地？

A car drives from place A to place B, which is 225 kilometers away, and travels 135 kilometers in 3 hours. At this speed, how many hours will it take to reach place B?

<gadget id="calculator">135 / 3</gadget>
<output>45</output>
<gadget id="calculator">225 / 45</gadget>
<output>5</output>
<gadget id="calculator">5 - 3</gadget>
<output>2</output>
<result>2</result>


两个码头相距432千米，轮船顺水行这段路程要16小时，逆水每小时比顺水少行9千米，逆水比顺水多用多少小时．

The distance between the two piers is 432 kilometers. It takes 16 hours for the ship to travel along the current. It takes 9 kilometers less per hour to travel against the current than to travel along the current.

<gadget id="calculator">432 / 16</gadget>
<output>27</output>
<gadget id="calculator">27 - 9</gadget>
<output>18</output>
<gadget id="calculator">432 / 18</gadget>
<output>24</output>
<gadget id="calculator">24 - 16</gadget>
<output>8</output>
<result>8</result>


有一草坪，每天生长的面积扩大2倍，十天后草坪的面积达84平方米，问第七天草坪的面积是多少．

There is a lawn, the area of the lawn doubles every day. After ten days, the area of the lawn reaches 84 square meters. What is the area of the lawn on the seventh day?

<gadget id="calculator">84 / 2</gadget>
<output>42</output>
<gadget id="calculator">42 / 2</gadget>
<output>21</output>
<gadget id="calculator">21 / 2</gadget>
<output>21/2 = around 10.5</output>
<result>21/2 = around 10.5</result>


一批练习本，如果平均分给6位同学，就多出3本，如果平均分给8位同学，还是多出3本，如果平均分给10位同学，仍然会多出3本，这批练习本至少有多少本？

batch of exercise books, if distributed to 6 students on average, there will be 3 more books, if distributed to 8 students on average, there will still be 3 more books, if distributed to 10 students on average, there will still be 3 more books. How many exercise books are there at least?

<gadget id="calculator">2 * 2 * 2 * 3 * 5</gadget>
<output>120</output>
<gadget id="calculator">120 + 3</gadget>
<output>123</output>
<result>123</result>


一个农妇提着一篮子鸡蛋去卖，第一次卖掉了全部鸡蛋的一半多1个；第二次又卖掉剩下的一半多1个；第三次还是卖掉剩下的一半多1个，最后农妇篮子里面还剩下2个鸡蛋．问：农妇篮子里原来有多少个鸡蛋．

A peasant woman carries a basket of eggs to sell. She sells half of all the eggs for the first time, plus one; for the second time, she sells the remaining half for one; In the end, there are 2 eggs left in the peasant woman's basket. Question: How many eggs were there in the peasant woman's basket?

<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">3 / (1/2)</gadget>
<output>6</output>
<gadget id="calculator">6 + 1</gadget>
<output>7</output>
<gadget id="calculator">7 / (1/2)</gadget>
<output>14</output>
<gadget id="calculator">14 + 1</gadget>
<output>15</output>
<gadget id="calculator">15 / (1/2)</gadget>
<output>30</output>
<result>30</result>


上学期王玲的数学成绩是75分，在老师的帮助和自己不断努力下，这学期她的数学成绩提高了二成，这学期她的数学成绩是多少分？

Last semester, Wang Ling's math score was 75. With the help of the teacher and her continuous efforts, her math score has increased by 20% this semester. What is her math score this semester?

<gadget id="calculator">20 / 100</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">75 * (6/5)</gadget>
<output>90</output>
<result>90</result>


小明做数学题，把一个数减54，看成了一个数减45，结果等于267，正确的结果应是多少？

Xiao Ming did a math problem, and took a number minus 54 as a number minus 45, and the result was 267. What is the correct result?

<gadget id="calculator">45 - 54</gadget>
<output>-9</output>
<gadget id="calculator">267 + (-9)</gadget>
<output>258</output>
<result>258</result>


一条绳长12.75米，另一条绳比它短2.8米，另一条绳长多少米．

One rope is 12.75 meters long and the other rope is 2.8 meters shorter than it. How long is the other rope in meters?

<gadget id="calculator">12.75 - 2.8</gadget>
<output>9.95</output>
<result>9.95</result>


一辆汽车从下午1时行驶到下午6时，一共行驶了600千米，问平均每小时行驶多少千米？

A car travels a total of 600 kilometers from 1:00 p.m. to 6:00 p.m. How many kilometers does it travel per hour on average?

<gadget id="calculator">6 - 1</gadget>
<output>5</output>
<gadget id="calculator">600 / 5</gadget>
<output>120</output>
<result>120</result>


长方形的周长是20米，一条边长是8米，相邻的边长是多少米．

The perimeter of a rectangle is 20 meters, the length of one side is 8 meters, what is the length of the adjacent side?

<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">10 - 8</gadget>
<output>2</output>
<result>2</result>


一个长方形操场周长是348米，宽是69米，它的面积是多少平方米？

A rectangular playground has a perimeter of 348 meters and a width of 69 meters. What is its area in square meters?

<gadget id="calculator">348 / 2</gadget>
<output>174</output>
<gadget id="calculator">174 - 69</gadget>
<output>105</output>
<gadget id="calculator">105 * 69</gadget>
<output>7_245</output>
<result>7_245</result>


学校里有槐树15棵，杨树的棵数比槐树少(1/3)，又比柳树少(5/7)，柳树有多少棵？

There are 15 locust trees in the school. The number of poplar trees is less than that of locust trees (1/3) and less than that of willow trees (5/7). How many willow trees are there?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">1 - (5/7)</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">(2/3) / (2/7)</gadget>
<output>7/3 = around 2.333333</output>
<gadget id="calculator">15 * (7/3)</gadget>
<output>35</output>
<result>35</result>


有一块长方形的砖长20厘米，宽12厘米，用这样的砖铺成一块正方形的地，至少需要多少块砖？

There is a rectangular brick with a length of 20 cm and a width of 12 cm. How many bricks are needed to pave a square floor with such bricks?

<gadget id="calculator">2 * 2 * 5 * 3</gadget>
<output>60</output>
<gadget id="calculator">20 * 12</gadget>
<output>240</output>
<gadget id="calculator">60 / 240</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">60 * (1/4)</gadget>
<output>15</output>
<result>15</result>


有一个角是45°的直角三角形，最长边为12厘米，它的面积是多少平方厘米

What is the area of a right triangle whose angles are 45° and whose longest side is 12 cm?

<gadget id="calculator">12 / 2</gadget>
<output>6</output>
<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">12 * 3</gadget>
<output>36</output>
<result>36</result>


有一块平行四边形菜地，底30米，高12米，每平方米收白菜5千克，这块地共收多少千克白菜？

There is a parallelogram-shaped vegetable field with a base of 30 meters and a height of 12 meters. The harvest of cabbage per square meter is 5 kilograms. How many kilograms of cabbage are harvested in this field?

<gadget id="calculator">30 * 12</gadget>
<output>360</output>
<gadget id="calculator">360 * 5</gadget>
<output>1_800</output>
<result>1_800</result>


在一幅比例尺1：50000的地图上，洙泗小学到气象局的路程是6厘米，实际路程是多少千米．

On a map with a scale of 1:50,000, the distance from Zhusi Primary School to the Meteorological Bureau is 6 cm. How many kilometers is the actual distance?

<gadget id="calculator">1 / 50_000</gadget>
<output>1/50_000 = around 0.00002</output>
<gadget id="calculator">6 / (1/50_000) / 100_000</gadget>
<output>3</output>
<result>3</result>


用一个容量是400毫升的量杯装满水，向鱼缸里倒25次，正好倒满．这个鱼缸的容量是多少升？

Use a measuring cup with a capacity of 400 ml to fill the water, pour 25 times into the fish tank, just fill it up. What is the capacity of this tank in liters?

<gadget id="calculator">400 * 25</gadget>
<output>10_000</output>
<gadget id="calculator">10_000 / 1_000</gadget>
<output>10</output>
<result>10</result>


学校买了40盆菊花，先放在6个教室，平均每个教室放6盆，剩下的放在办公室里，办公室里放多少盆菊花？

The school bought 40 pots of chrysanthemums, and put them in 6 classrooms, with an average of 6 pots in each classroom, and put the rest in the office. How many pots of chrysanthemums are there in the office?

<gadget id="calculator">6 * 6</gadget>
<output>36</output>
<gadget id="calculator">40 - 36</gadget>
<output>4</output>
<result>4</result>


甲乙两车分别从A、B两地相向而行，到达A、B后立即返回，第二次相遇点离B地25千米，已知甲乙两车速度比为2：3．求AB两地全程．

Vehicles A and B travel towards each other from A and B respectively, and return immediately after arriving at A and B. The second meeting point is 25 kilometers away from B. It is known that the speed ratio of A and B is 2:3. Find the whole journey between AB and AB.

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(2/3) * 25</gadget>
<output>50/3 = around 16.666667</output>
<gadget id="calculator">25 + (50/3)</gadget>
<output>125/3 = around 41.666667</output>
<gadget id="calculator">(2/3) * 2</gadget>
<output>4/3 = around 1.333333</output>
<gadget id="calculator">(4/3) - 1</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(125/3) / (1/3)</gadget>
<output>125</output>
<result>125</result>


在一条长90米的公路两侧，原来每隔9米有一盏路灯(两端都有)，现重新安装，每隔6米装一盏，为节省施工成本有些位置的路灯不需要重新安装，不需要重新安装的路灯有多少盏？

On both sides of a 90-meter-long road, there used to be a street lamp every 9 meters (both ends), and now it is reinstalled, and one is installed every 6 meters. In order to save construction costs, the street lamps in some locations do not need to be reinstalled. How many street lights do not need to be reinstalled?

<gadget id="calculator">90 / 18</gadget>
<output>5</output>
<gadget id="calculator">5 + 1</gadget>
<output>6</output>
<gadget id="calculator">6 * 2</gadget>
<output>12</output>
<result>12</result>


a是一个不等于0的自然数，下面各式中得数最大的是a/多少

a is a natural number not equal to 0, the largest number in the following formulas is a/how many

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<result>5/6 = around 0.833333</result>


分母是5的真分数有多少．

What are the true fractions whose denominator is 5?


3里面包含有多少个(1/3)．

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">3 / (1/3)</gadget>
<output>9</output>
<result>9</result>


果园里有桃树104棵，梨树比桃树的3倍少28棵．两种树共多少棵？

There are 104 peach trees in the orchard, and there are 28 fewer pear trees than three times the number of peach trees. How many trees are there in total?

<gadget id="calculator">104 * 3</gadget>
<output>312</output>
<gadget id="calculator">312 - 28</gadget>
<output>284</output>
<gadget id="calculator">284 + 104</gadget>
<output>388</output>
<result>388</result>


妈妈比小红大24岁，七年后妈妈的年龄是小红的三倍，小红今年多大？

Mom is 24 years older than Xiaohong. Seven years later, her mother will be three times as old as Xiaohong. How old is Xiaohong this year?

<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">24 / 2</gadget>
<output>12</output>
<gadget id="calculator">12 - 7</gadget>
<output>5</output>
<result>5</result>


一个圆柱形玻璃瓶底面周长是6.28厘米，里面装了半瓶水，把一块石头放进去，水面升高20毫米，这块石头体积是多少．

The circumference of the bottom of a cylindrical glass bottle is 6.28 cm, half a bottle of water is filled in it, a stone is put in it, and the water level rises by 20 mm, what is the volume of the stone?

<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>
<gadget id="calculator">20 / 10</gadget>
<output>2</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1 * 2</gadget>
<output>6.28</output>
<result>6.28</result>


学校十佳歌手大赛的10名获奖选手中，每3人都要照一张合影．问：需要拍多少张照片？

Among the 10 winners of the school's top ten singer contest, every three of them have to take a group photo. Q: How many photos do I need to take?

<gadget id="calculator">10 * 9 * 8</gadget>
<output>720</output>
<gadget id="calculator">3 * 2 * 1</gadget>
<output>6</output>
<gadget id="calculator">720 / 6</gadget>
<output>120</output>
<result>120</result>


边长是1米的正方形，它的周长是多少米．

What is the perimeter of a square whose side length is 1 meter?

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


甲、乙两车分别从A、B两站同时相对开出，甲车与乙车的速度比是3：2．甲车行驶6小时到达B站，乙车行驶多少小时可以到A站？

Two cars, A and B, depart from A and B respectively at the same time, and the speed ratio of A and B is 3:2. Car A travels for 6 hours to reach station B, how many hours does it take for car B to arrive at station A?

<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">3 * 3</gadget>
<output>9</output>
<result>9</result>


有三个小朋友身高分别高146厘米、144厘米和151厘米，这三个小朋友的平均身高是多少厘米？

There are three children whose heights are 146 cm, 144 cm and 151 cm respectively. What is the average height of these three children in cm?

<gadget id="calculator">146 + 144 + 151</gadget>
<output>441</output>
<gadget id="calculator">441 / 3</gadget>
<output>147</output>
<result>147</result>


某车队8辆汽车15天节约汽油204千克．平均每辆汽车每天节约汽油多少千克？

A fleet of 8 vehicles saved 204 kg of gasoline in 15 days. How many kilograms of gasoline are saved per car per day on average?

<gadget id="calculator">204 / 15 / 8</gadget>
<output>17/10 = around 1.7</output>
<result>17/10 = around 1.7</result>


如果五位数□0897□能被75整除，那么这个六位数最小是多少．

If the five-digit number □0897□ can be divisible by 75, what is the smallest six-digit number?


一辆公共汽车里原有乘客48人，到新站下去22人，上来16人，现在车上有多少人？

There were originally 48 passengers in a bus, 22 people got off at the new station, and 16 people got on. How many people are there on the bus now?

<gadget id="calculator">48 - 22</gadget>
<output>26</output>
<gadget id="calculator">26 + 16</gadget>
<output>42</output>
<result>42</result>


有一辆货车运输2000只玻璃瓶，运费按到达时完好的瓶子数目计算，每只2角，如有破损，破损瓶子不给运费，还要每只赔偿1元．结果得到运费379.6元，问这次搬运中玻璃瓶破损了几只？

There is a truck transporting 2,000 glass bottles. The freight is calculated based on the number of intact bottles upon arrival, and each bottle is 2 cents. If there is any damage, the freight fee will not be paid for the damaged bottles, and a compensation of 1 yuan will be required for each bottle. As a result, the shipping fee was 379.6 yuan. How many glass bottles were damaged during the transportation?

<gadget id="calculator">2_000 * 0.2</gadget>
<output>400</output>
<gadget id="calculator">400 - 379.6</gadget>
<output>20.4</output>
<gadget id="calculator">0.2 + 1</gadget>
<output>1.2</output>
<gadget id="calculator">20.4 / 1.2</gadget>
<output>17</output>
<result>17</result>


比例尺(1/50000)，它表示地面实际距离是图上距离的多少倍．

Scale bar (1/50000), which indicates how many times the actual distance on the ground is the distance on the map.

<gadget id="calculator">50_000 / 1</gadget>
<output>50_000</output>
<result>50_000</result>


三名工人要完成同样的任务，在相同的时间里，赵师傅全部完成，李师傅完成了任务的1.04倍，张师傅完成的任务的98%，把他们三3人按工作效率的高低排列出来．

Three workers have to complete the same task. In the same time, Master Zhao completed all of them, Master Li completed 1.04 times of the task, and Master Zhang completed 98% of the task. Arrange the three of them according to the level of work efficiency ．


一套运动服的价格是144元，其中裤子的价格是上衣的(7/9)，裤子的价格是多少元？

The price of a set of sportswear is 144 yuan, and the price of the trousers is that of the top (7/9). How much is the price of the trousers?

<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>
<gadget id="calculator">1 + (7/9)</gadget>
<output>16/9 = around 1.777778</output>
<gadget id="calculator">144 / (16/9)</gadget>
<output>81</output>
<gadget id="calculator">81 * (7/9)</gadget>
<output>63</output>
<result>63</result>


某班有40名同学，期中数学考试有两名同学因病缺考，这时班级平均分为90分，缺考的同学补考各得100分，这个班期中考试数学平均分是多少分？

There are 40 students in a certain class. Two students miss the mid-term math exam due to illness. At this time, the average score of the class is 90 points, and the students who miss the exam get 100 points each in the make-up exam. What is the average math score of this class in the mid-term exam?

<gadget id="calculator">40 - 2</gadget>
<output>38</output>
<gadget id="calculator">90 * 38</gadget>
<output>3_420</output>
<gadget id="calculator">100 * 2</gadget>
<output>200</output>
<gadget id="calculator">3_420 + 200</gadget>
<output>3_620</output>
<gadget id="calculator">3_620 / 40</gadget>
<output>181/2 = around 90.5</output>
<result>181/2 = around 90.5</result>


五1班第2小组有7位同学进行1分钟跳绳测试，前4人平均成绩是95个，后4人平均成绩是80个，7个人的平均成绩是85个，第四人跳了多少个．

There are 7 students in the 2nd group of class 5, 1 minute, and the average score of the first 4 students is 95, the average score of the last 4 students is 80, and the average score of the 7 students is 85. How many jumps did the fourth person jump? ．

<gadget id="calculator">95 * 4</gadget>
<output>380</output>
<gadget id="calculator">80 * 4</gadget>
<output>320</output>
<gadget id="calculator">380 + 320</gadget>
<output>700</output>
<gadget id="calculator">85 * 7</gadget>
<output>595</output>
<gadget id="calculator">700 - 595</gadget>
<output>105</output>
<result>105</result>


小明做一道加法试题时，把一个加数个位上5看作9，把十位上8看作3，结果和是123，那么正确答案是多少．

When Xiao Ming was doing an addition test, he regarded the 5 in the ones place of an addend as 9, and the 8 in the tens place as 3, and the result was 123. What is the correct answer?

<gadget id="calculator">50 - 4</gadget>
<output>46</output>
<gadget id="calculator">123 + 46</gadget>
<output>169</output>
<result>169</result>


一个数的(5/4)比它的62.5%多0.35．这个数是多少？

(5/4) of a number is 0.35 more than 62.5% of it. What is this number?


一台冰箱原价2100元，节日八五折优惠供应，每台冰箱节省多少元？

The original price of a refrigerator is 2,100 yuan, and it is supplied with a discount of 15% during festivals. How much yuan can each refrigerator save?

<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>
<gadget id="calculator">1 - (17/20)</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">2_100 * (3/20)</gadget>
<output>315</output>
<result>315</result>


张师傅加工的零件数是王师傅的2倍，若张师傅去掉27个零件，那么王师傅加工的零件数正好是张师傅的2倍，王师傅加工了多少个零件？

The number of parts processed by Master Zhang is twice that of Master Wang. If Master Zhang removes 27 parts, then the number of parts processed by Master Wang is exactly twice that of Master Zhang. How many parts did Master Wang process?

<gadget id="calculator">27 * 2</gadget>
<output>54</output>
<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<gadget id="calculator">4 - 1</gadget>
<output>3</output>
<gadget id="calculator">54 / 3</gadget>
<output>18</output>
<result>18</result>


六1班有40人，有(3/4)的同学订了《小学生数学报》，有(4/5)的同学订了《小学生语文学习》，两种都订的至少有多少人？

There are 40 students in Class 1 of June. Some (3/4) students have subscribed to "Primary School Students' Mathematics Journal", and some (4/5) students have subscribed to "Primary School Students' Chinese Learning". How many people have subscribed to both?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(4/5) - 1</gadget>
<output>-1/5 = around -0.2</output>
<gadget id="calculator">(3/4) + (-1/5)</gadget>
<output>11/20 = around 0.55</output>
<gadget id="calculator">40 * (11/20)</gadget>
<output>22</output>
<result>22</result>


把12克盐放入48克水中，盐占盐水的多少

Put 12 grams of salt into 48 grams of water, how much salt accounts for the salt water

<gadget id="calculator">12 + 48</gadget>
<output>60</output>
<gadget id="calculator">12 / 60</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">100 / 100</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>


把一根长80厘米的圆柱体木料横截成两段，成为两个圆柱体，表面积增加了42平方厘米，原来这个圆柱体的体积是多少立方厘米．

cylinder of 80 cm long is cut into two pieces to form two cylinders. The surface area is increased by 42 square centimeters. What is the original volume of the cylinder in cubic centimeters?

<gadget id="calculator">42 / 2</gadget>
<output>21</output>
<gadget id="calculator">21 * 80</gadget>
<output>1_680</output>
<result>1_680</result>


用72cm长的铁丝围成一个长方体框架，使长、宽、高的比是3：2：1，这个长方体的体积是多少立方厘米？

Use 72cm long iron wire to form a cuboid frame so that the ratio of length, width and height is 3:2:1. What is the volume of this cuboid in cubic centimeters?

<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">72 / 4</gadget>
<output>18</output>
<gadget id="calculator">3 + 2 + 1</gadget>
<output>6</output>
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">18 * (1/2) * 18 * (1/3) * 18 * (1/6)</gadget>
<output>162</output>
<result>162</result>


将1，2，3，…，30从左往右依次排列成一个51位数，这个数被11除的余数是多少．

Arrange 1, 2, 3, ..., 30 from left to right into a 51-digit number, what is the remainder when this number is divided by 11?


给出三个分数：(8/17)、(12/23)、(20/41)，那么这三个分数中最大的是多少．

Given three fractions: (8/17), (12/23), (20/41), what is the largest of these three fractions?

<gadget id="calculator">12 / 23</gadget>
<output>12/23 = around 0.521739</output>
<result>12/23 = around 0.521739</result>


一次竞赛原计划一等奖10人，二等奖20人，现将一等奖中最后4人调整为二等奖，这样得二等奖的学生的平均分提高1分；得一等奖的学生的平均分提高3分，求原来一等奖平均分比二等奖平均分多几分？

A competition originally planned to have 10 first prizes and 20 second prizes. Now the last 4 of the first prizes will be adjusted to the second prizes, so that the average score of the students who won the second prizes will increase by 1 point; The average score of the students is increased by 3 points, how much more is the average score of the original first prize than the average score of the second prize?

<gadget id="calculator">10 - 4</gadget>
<output>6</output>
<gadget id="calculator">6 * 3</gadget>
<output>18</output>
<gadget id="calculator">20 + 4</gadget>
<output>24</output>
<gadget id="calculator">24 * 1</gadget>
<output>24</output>
<gadget id="calculator">18 + 24</gadget>
<output>42</output>
<gadget id="calculator">42 / 4</gadget>
<output>21/2 = around 10.5</output>
<result>21/2 = around 10.5</result>


小明家电话号码后4位数字之和是6，四个数中无0，一次猜对的可能性是多少．

The sum of the last 4 digits of Xiao Ming's phone number is 6, and there is no 0 in the four numbers. What is the probability of guessing correctly once?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<result>1/10 = around 0.1</result>


将三个棱长2厘米的正方体拼成一个长方体，其表面积是多少平方厘米

What is the surface area of a cuboid when three cubes with side lengths of 2 cm are put together?

<gadget id="calculator">2 * 2 * 6 * 3</gadget>
<output>72</output>
<gadget id="calculator">2 * 2 * 4</gadget>
<output>16</output>
<gadget id="calculator">72 - 16</gadget>
<output>56</output>
<result>56</result>


小明原来有11.42元，用7.5元买了一枝钢笔，妈妈又给了小明0.35元．小明现在有多少元钱？

Xiao Ming originally had 11.42 yuan, and bought a pen with 7.5 yuan, and his mother gave Xiao Ming another 0.35 yuan. How much money does Xiao Ming have now?

<gadget id="calculator">11.42 - 7.5</gadget>
<output>3.92</output>
<gadget id="calculator">3.92 + 0.35</gadget>
<output>4.27</output>
<result>4.27</result>


<gadget id="calculator">7.24 * 0.1</gadget>
<output>0.724</output>
<gadget id="calculator">0.5 * 72.4</gadget>
<output>36.2</output>
<gadget id="calculator">0.049 * 724</gadget>
<output>35.476</output>
<gadget id="calculator">0.724 + 36.2 + 35.476</gadget>
<output>72.4</output>
<result>72.4</result>


张师傅原计划18天做2520个零件，实际每天比计划多做70个零件，实际多少天做完？

Master Zhang originally planned to make 2,520 parts in 18 days, but he actually made 70 more parts per day than planned. How many days did he actually finish?

<gadget id="calculator">2_520 / 18</gadget>
<output>140</output>
<gadget id="calculator">140 + 70</gadget>
<output>210</output>
<gadget id="calculator">2_520 / 210</gadget>
<output>12</output>
<result>12</result>


修一条公路，已经修了84.5米，比剩下的多3.5米，剩下的5天修完，平均每天修多少米？

To build a road, 84.5 meters have been built, which is 3.5 meters more than the rest, and the remaining 5 days are completed, how many meters are repaired per day on average?

<gadget id="calculator">84.5 - 3.5</gadget>
<output>81</output>
<gadget id="calculator">81 / 5</gadget>
<output>81/5 = around 16.2</output>
<result>81/5 = around 16.2</result>


12个同样的圆锥形铅锭，可以铸成多少个与它等底等高的圆柱形铅锭．

How many cylindrical lead ingots with the same base and height can be cast from 12 identical conical lead ingots?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">12 * (1/3)</gadget>
<output>4</output>
<result>4</result>


梨树比桃树多60棵，桃树是梨树的40%．梨树多少棵？

There are 60 more pear trees than peach trees, and peach trees are 40% of pear trees. How many pear trees?

<gadget id="calculator">40 / 100</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">60 / (3/5)</gadget>
<output>100</output>
<result>100</result>


甲、乙两列火车从A、B两站同时相对开出，已知甲车速度是乙车的(4/5)，两车在离中点10千米处相遇，问A、B两站相距多少千米？

Two trains, A and B, depart from stations A and B at the same time. It is known that the speed of train A is that of train B (4/5). The two trains meet at a distance of 10 kilometers from the midpoint. Ask the two trains at stations A and B. How many kilometers apart?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">5 + 4</gadget>
<output>9</output>
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">(1/2) - (4/9)</gadget>
<output>1/18 = around 0.055556</output>
<gadget id="calculator">10 / (1/18)</gadget>
<output>180</output>
<result>180</result>


15路和2路公共汽车早上7时同时从起始站发车，15路车每隔7分发一辆车，2路车每隔8分发一辆车，再过多少分钟这两路车第二次同时发车？

Bus No. 15 and No. 2 depart from the starting station at 7 am at the same time. Bus No. 15 dispatches a bus every 7th, and Bus No. 2 dispatches a bus every 8th. Depart at the same time?

<gadget id="calculator">7 * 8</gadget>
<output>56</output>
<result>56</result>


3.7*0.8表示的意义是多少．


小红计划看一本300页的《故事书》，第一周看了全书的(2/5)，第二周看了全书的(1/4)，第三周应从第几页看起？

Xiaohong plans to read a 300-page "Story Book". She reads (2/5) of the whole book in the first week, and (1/4) of the whole book in the second week. What page should she start reading in the third week?

<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">(2/5) + (1/4)</gadget>
<output>13/20 = around 0.65</output>
<gadget id="calculator">300 * (13/20)</gadget>
<output>195</output>
<gadget id="calculator">195 + 1</gadget>
<output>196</output>
<result>196</result>


一个长方形的长为9厘米，把它的长的一边减少3厘米，另一边不变，面积就减少9平方厘米，这时变成的梯形面积是多少平方厘米．

The length of a rectangle is 9 centimeters. If one side of the rectangle is reduced by 3 centimeters and the other side remains the same, the area is reduced by 9 square centimeters. What is the area of the trapezoid formed at this time?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">9 * (2/3)</gadget>
<output>6</output>
<gadget id="calculator">9 * 6</gadget>
<output>54</output>
<gadget id="calculator">54 - 9</gadget>
<output>45</output>
<result>45</result>


叔叔一次稿酬所得为3500元，按规定减去800元后的部分按20%的税率交纳个人所得税．他应缴纳多少元的个人所得税？

The uncle's one-time remuneration is 3,500 yuan, and the part after deducting 800 yuan is subject to personal income tax at a rate of 20%. How much personal income tax should he pay?

<gadget id="calculator">3_500 - 800</gadget>
<output>2_700</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">2_700 * (1/5)</gadget>
<output>540</output>
<result>540</result>


如果a：b=1：3，则b是a的多少倍


李大伯养猪320头，养牛的头数是养猪的12倍，李大伯养猪、牛一共有多少头？

Uncle Li raises 320 pigs and 12 times as many cattle as pigs. How many pigs and cattle does Uncle Li have?

<gadget id="calculator">12 + 1</gadget>
<output>13</output>
<gadget id="calculator">320 * 13</gadget>
<output>4_160</output>
<result>4_160</result>


甲的(3/7)是乙的(4/5)，已知乙是60，甲是多少？

A's (3/7) is B's (4/5), it is known that B is 60, how much is A?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">(4/5) / (3/7)</gadget>
<output>28/15 = around 1.866667</output>
<gadget id="calculator">60 * (28/15)</gadget>
<output>112</output>
<result>112</result>


一条跑道长200米，如果用1：500的比例尺画在图纸上，应画多长？

A runway is 200 meters long, if it is drawn on the drawing with a scale of 1:500, how long should it be drawn?

<gadget id="calculator">1 / 500</gadget>
<output>1/500 = around 0.002</output>
<gadget id="calculator">200 * 100 * (1/500)</gadget>
<output>40</output>
<result>40</result>


<gadget id="calculator">675 * 9</gadget>
<output>6_075</output>
<result>6_075</result>


学校原有m吨煤，上个月烧了4吨，这个月又运来20吨，学校现在有煤多少吨．

The school originally had m tons of coal, but last month it burned 4 tons, and this month brought in another 20 tons. How many tons of coal does the school have now?

<gadget id="calculator">(-4) + 20</gadget>
<output>16</output>
<result>16</result>


一个商店有这样一条规定：喝完汽水后，用5个空汽水瓶可以换1瓶汽水．王阿姨买了20瓶汽水，实际可以喝多少瓶汽水．

store has such a rule: After drinking soda, you can exchange 5 empty soda bottles for 1 bottle of soda. Aunt Wang bought 20 bottles of soda, how many bottles of soda can she actually drink?

<gadget id="calculator">20 / 5</gadget>
<output>4</output>
<gadget id="calculator">20 + 4</gadget>
<output>24</output>
<gadget id="calculator">24 + 1</gadget>
<output>25</output>
<result>25</result>


超市上午卖出大米176袋，下午比上午少卖43袋，这一天共卖大米多少袋？

The supermarket sold 176 bags of rice in the morning, and 43 bags less in the afternoon than in the morning. How many bags of rice were sold in total on this day?

<gadget id="calculator">176 - 43</gadget>
<output>133</output>
<gadget id="calculator">133 + 176</gadget>
<output>309</output>
<result>309</result>


今年爸爸35岁，妈妈的年龄比小红大24岁，小红的年龄是妈妈的(1/4)，小红今年多少岁？(用方程解)

This year's father is 35 years old, and her mother is 24 years older than Xiaohong. Xiaohong's age is 1/4 of her mother's. How old is Xiaohong this year? (solution by equation)

<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">24 / (3/4)</gadget>
<output>32</output>
<gadget id="calculator">(1/4) * 32</gadget>
<output>8</output>
<result>8</result>


如果一台电扇按原价的八五折出售，售价为204元，这台电扇的原价为多少元．

If an electric fan is sold at 15% off the original price, and the selling price is 204 yuan, what is the original price of this electric fan?

<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>
<gadget id="calculator">204 / (17/20)</gadget>
<output>240</output>
<result>240</result>


已知一个数是78.54，比另一个数少5.36，另一个数是多少？

Given that one number is 78.54, which is 5.36 less than the other number, what is the other number?

<gadget id="calculator">78.54 + 5.36</gadget>
<output>83.9</output>
<result>83.9</result>


超市运进2吨大豆油，第一周卖出(2/5)，第二周卖出(1/3)，第三周全部卖完．第三周卖出的大豆油占运进总数的几分之几？

The supermarket brings in 2 tons of soybean oil, sells it in the first week (2/5), sells it in the second week (1/3), and sells it all in the third week. What fraction of the soybean oil sold in the third week accounted for the total number of shipments?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 - (2/5) - (1/3)</gadget>
<output>4/15 = around 0.266667</output>
<result>4/15 = around 0.266667</result>


盒子里有80枚白子和50枚黑子．每次取走3枚白子，同时放入3枚黑子，像这样取放多少次后，白子与黑子正好相等？

There are 80 white pieces and 50 black pieces in the box. Each time 3 white pieces are taken away and 3 black pieces are put in at the same time, after how many times of taking and placing like this, the white pieces are exactly equal to the black pieces?

<gadget id="calculator">80 - 50</gadget>
<output>30</output>
<gadget id="calculator">3 + 3</gadget>
<output>6</output>
<gadget id="calculator">30 / 6</gadget>
<output>5</output>
<result>5</result>


实验小学同学捐出712本科技书，送给8所希望小学，平均每所小学分到多少本？

Students from Experimental Primary School donated 712 science and technology books to 8 Hope Primary Schools. How many books did each primary school receive on average?

<gadget id="calculator">712 / 8</gadget>
<output>89</output>
<result>89</result>


小华存入银行100元，年利率是2.25%，一年后可取出利息多少元．

Xiaohua deposits 100 yuan in the bank, the annual interest rate is 2.25%, how much interest can be withdrawn after one year.

<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>
<gadget id="calculator">100 * 0.0225 * 1</gadget>
<output>2.25</output>
<result>2.25</result>


一辆汽车以每小时40千米的速度从东站开往西站，1.5小时后，剩下的路程比全程的一半少6千米，照这样速度，这辆汽车从东站到西站共需多长时间？

A car drives from East Station to West Station at a speed of 40 kilometers per hour. After 1.5 hours, the remaining distance is 6 kilometers less than half of the whole journey. At this speed, the car travels from East Station to West Station in total How long will it take?

<gadget id="calculator">40 * 1.5</gadget>
<output>60</output>
<gadget id="calculator">60 - 6</gadget>
<output>54</output>
<gadget id="calculator">2 / 40</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">54 * (1/20)</gadget>
<output>27/10 = around 2.7</output>
<result>27/10 = around 2.7</result>


一个圆形花园，周长是31.4米，它的半径是多少米．

A circular garden has a circumference of 31.4 meters, what is its radius in meters?

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


一块长方形土地，按1：10000的比例画在图纸上长是6厘米，宽4厘米，这块地的实际面积是多少公顷．

A rectangular piece of land, according to the ratio of 1:10000 drawn on the drawing is 6 cm long and 4 cm wide, what is the actual area of the land in hectares?

<gadget id="calculator">1 / 10_000</gadget>
<output>1/10_000 = around 0.0001</output>
<gadget id="calculator">6 / (1/10_000) / 100</gadget>
<output>600</output>
<gadget id="calculator">4 / (1/10_000) / 100 / 10_000</gadget>
<output>1/25 = around 0.04</output>
<gadget id="calculator">600 * (1/25)</gadget>
<output>24</output>
<result>24</result>


□/21=35…△中，当△最大时，这时□是多少．

□/21=35…△, when △ is the largest, what is □ at this time.

<gadget id="calculator">35 * 21</gadget>
<output>735</output>
<gadget id="calculator">21 - 1</gadget>
<output>20</output>
<gadget id="calculator">735 + 20</gadget>
<output>755</output>
<result>755</result>


有若干个连续的自然数，任取其中4个不同的数相加，可得到385个不同的和．则这些自然数有多少个．

There are several consecutive natural numbers, and any 4 different numbers are added together, and 385 different sums can be obtained. How many of these natural numbers are there?


有一块平行四边形的菜地，底长48米，高是底的一半，这块地的面积是多少平方米？

There is a parallelogram-shaped vegetable field with a base length of 48 meters and a height half of the base. What is the area of this field in square meters?

<gadget id="calculator">48 / 2</gadget>
<output>24</output>
<gadget id="calculator">48 * 24</gadget>
<output>1_152</output>
<result>1_152</result>


笑笑家上个月食品支出800元，占上月总支出的40%，水电气支出占上月总支出的15%，笑笑家上个月水电气支出多少钱？

Xiaoxiao’s family spent 800 yuan on food last month, accounting for 40% of the total expenditure last month, and water and electricity expenses accounted for 15% of the total expenditure last month. How much did Xiaoxiao’s household spend on water and electricity last month?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">800 / (2/5)</gadget>
<output>2_000</output>
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">2_000 * (3/20)</gadget>
<output>300</output>
<result>300</result>


一批煤，原计划每天烧5.6吨计算，可烧35天．实际每天可节约0.6吨，这批煤实际可用多少天？

batch of coal, originally planned to burn 5.6 tons per day, can be burned for 35 days. In fact, 0.6 tons can be saved per day. How many days can this batch of coal actually be used for?

<gadget id="calculator">5.6 * 35</gadget>
<output>196</output>
<gadget id="calculator">5.6 - 0.6</gadget>
<output>5</output>
<gadget id="calculator">196 / 5</gadget>
<output>196/5 = around 39.2</output>
<result>196/5 = around 39.2</result>


停车场里有360辆小汽车，是大汽车数量的4倍．货车的数量是大汽车的(3/5)，货车有多少辆？

There are 360 small cars in the parking lot, four times the number of large cars. The number of trucks is (3/5) that of large cars. How many trucks are there?

<gadget id="calculator">360 / 4</gadget>
<output>90</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">90 * (3/5)</gadget>
<output>54</output>
<result>54</result>


李老师把2000元钱存入银行，整存整取五年，年利率是3.60%，利息税率为20%．到期后，李老师交了多少利息税？

Mr. Li deposits 2,000 yuan in the bank and withdraws it as a lump sum for five years. The annual interest rate is 3.60%, and the interest tax rate is 20%. After the expiration, how much interest tax did Mr. Li pay?

<gadget id="calculator">3.6 / 100</gadget>
<output>0.036</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">2_000 * 0.036 * 5 * (1/5)</gadget>
<output>72</output>
<result>72</result>


1812加上2048除以4的商的和除以4，商是多少？

What is the sum of the quotient of 1812 plus 2048 divided by 4 divided by 4?

<gadget id="calculator">2_048 / 4</gadget>
<output>512</output>
<gadget id="calculator">1_812 + 512</gadget>
<output>2_324</output>
<gadget id="calculator">2_324 / 4</gadget>
<output>581</output>
<result>581</result>


<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">6.5 / 13</gadget>
<output>0.5</output>
<gadget id="calculator">0.5 * 7</gadget>
<output>3.5</output>
<gadget id="calculator">(3/20) + 3.5</gadget>
<output>3.65</output>
<gadget id="calculator">3.65 / 0.5</gadget>
<output>7.3</output>
<result>7.3</result>


服装厂生产一批校服，前10天完成的套数与这批校服总套数的比是1：3．如果再生产150套，正好可以完成这批校服的40%．这批校服共有多少套？

A garment factory produces a batch of school uniforms, and the ratio of the number of sets completed in the first 10 days to the total number of sets of this batch of school uniforms is 1:3. If 150 more sets are produced, just 40% of this batch of school uniforms can be completed. How many sets of school uniforms are there in total?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(2/5) - (1/3)</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">150 / (1/15)</gadget>
<output>2_250</output>
<result>2_250</result>


妈妈将2000元存入银行，定期3年，年利率3.75%．到期后她获得利息多少钱？

Mom deposits 2,000 yuan in the bank for 3 years, with an annual interest rate of 3.75%. How much does she earn in interest when due?

<gadget id="calculator">3.75 / 100</gadget>
<output>0.0375</output>
<gadget id="calculator">2_000 * 0.0375 * 3</gadget>
<output>225</output>
<result>225</result>


用一根长36厘米的铁丝，正好可以焊接成长4厘米、宽3厘米、高多少厘米的长方体框架．

A 36 cm long iron wire can be welded to a cuboid frame with a length of 4 cm, a width of 3 cm, and a height of several centimeters.

<gadget id="calculator">36 / 4</gadget>
<output>9</output>
<gadget id="calculator">3 + 4</gadget>
<output>7</output>
<gadget id="calculator">9 - 7</gadget>
<output>2</output>
<result>2</result>


一只水桶倒进8碗水后，水桶和水的总重量是2000克；倒进10碗水后，水桶和水的总重量是2400克．水桶有多重？

After pouring 8 bowls of water into a bucket, the total weight of the bucket and water is 2000 grams; after pouring 10 bowls of water, the total weight of the bucket and water is 2400 grams. How much does the bucket weigh?

<gadget id="calculator">2_400 - 2_000</gadget>
<output>400</output>
<gadget id="calculator">10 - 8</gadget>
<output>2</output>
<gadget id="calculator">400 / 2</gadget>
<output>200</output>
<gadget id="calculator">200 * 8</gadget>
<output>1_600</output>
<gadget id="calculator">2_000 - 1_600</gadget>
<output>400</output>
<result>400</result>


甲乙两数的和是240，甲数与乙数的比是5：7，乙数是多少

The sum of A and B is 240, the ratio of A to B is 5:7, what is B?

<gadget id="calculator">5 + 7</gadget>
<output>12</output>
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>
<gadget id="calculator">240 * (7/12)</gadget>
<output>140</output>
<result>140</result>


李师傅加工一批零件，12天完成了全部的(3/4)，照这样计算，完成全部零件一共要多少天．

Master Li processed a batch of parts and completed all (3/4) in 12 days. According to this calculation, how many days will it take to complete all parts.

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 / (3/4)</gadget>
<output>4/3 = around 1.333333</output>
<gadget id="calculator">12 * (4/3)</gadget>
<output>16</output>
<result>16</result>


六年级某班有35人，男同学人数占全班人数的(4/5)，女同学有多少人？

There are 35 students in a sixth grade class. The number of male students accounts for 4/5 of the whole class. How many female students are there?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">35 * (1/5)</gadget>
<output>7</output>
<result>7</result>


5个数的平均数是18，把其中一个数改为6后，这5个数的平均数是16，被改动的数原来是多少．

The average of 5 numbers is 18. After one of the numbers is changed to 6, the average of these 5 numbers is 16. What is the changed number?

<gadget id="calculator">18 * 5</gadget>
<output>90</output>
<gadget id="calculator">16 * 5</gadget>
<output>80</output>
<gadget id="calculator">90 - 80</gadget>
<output>10</output>
<gadget id="calculator">10 + 6</gadget>
<output>16</output>
<result>16</result>


一种品牌电视机原价3600元，现价比原价降低了(1/5)，求现价多少元？

The original price of a brand TV is 3600 yuan, the current price is lower than the original price (1/5), how much is the current price?

<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">3_600 * (4/5)</gadget>
<output>2_880</output>
<result>2_880</result>


小明买了5只乒乓球拍，付出100元，每只球拍多少元？

Xiao Ming bought 5 table tennis rackets and paid 100 yuan, how much is each racket?

<gadget id="calculator">100 / 5</gadget>
<output>20</output>
<result>20</result>


学校上个月用水70吨，这个月节约(5/14)，这个月学校用水多少吨？

The school used 70 tons of water last month, and saved it this month (5/14). How many tons of water does the school use this month?

<gadget id="calculator">5 / 14</gadget>
<output>5/14 = around 0.357143</output>
<gadget id="calculator">1 - (5/14)</gadget>
<output>9/14 = around 0.642857</output>
<gadget id="calculator">70 * (9/14)</gadget>
<output>45</output>
<result>45</result>


<gadget id="calculator">0.2 * 15</gadget>
<output>3</output>
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<result>3/2 = around 1.5</result>


小马虎把17*(A+0.3)错算成17*A+0.3，他计算的结果与正确答案相差多少？

The little sloppy miscalculated 17*(A+0.3) as 17*A+0.3. How far is his calculated result from the correct answer?

<gadget id="calculator">17 * 0.3</gadget>
<output>5.1</output>
<gadget id="calculator">5.1 - 0.3</gadget>
<output>4.8</output>
<result>4.8</result>


某加工组5名工人4小时可以加工300个零件，照这样计算，如果工人增加到8人，工作时间减少到3小时，共可加工多少个零件？

processing group with 5 workers can process 300 parts in 4 hours. According to this calculation, if the number of workers increases to 8 and the working time is reduced to 3 hours, how many parts can be processed in total?

<gadget id="calculator">300 / 5 / 4</gadget>
<output>15</output>
<gadget id="calculator">15 * 8 * 3</gadget>
<output>360</output>
<result>360</result>


某厂今年1～3月产值是102万元，平均每月是多少万元．

The output value of a certain factory from January to March this year is 1.02 million yuan, how much is the average monthly value.

<gadget id="calculator">102 / 3</gadget>
<output>34</output>
<result>34</result>


直径为20分米的半圆形的周长为多少分米．

What is the perimeter of a semicircle with a diameter of 20 decimeters?

<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">3.14 * 10</gadget>
<output>31.4</output>
<gadget id="calculator">31.4 + 20</gadget>
<output>51.4</output>
<result>51.4</result>


有甲、乙两筐苹果，甲筐苹果重40kg，乙筐苹果重30kg，要使甲、乙两筐苹果质量比是3：2，应从乙筐拿出多少千克苹果加入甲筐？

There are two baskets of apples, A and B. The weight of apples in basket A is 40kg, and the weight of apples in basket B is 30kg. If the mass ratio of apples in baskets A and B is 3:2, how many kilograms of apples should be taken from basket B and added to basket A?

<gadget id="calculator">40 + 30</gadget>
<output>70</output>
<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">70 / 5</gadget>
<output>14</output>
<gadget id="calculator">14 * 2</gadget>
<output>28</output>
<gadget id="calculator">30 - 28</gadget>
<output>2</output>
<result>2</result>


把一个长12分米，宽6分米，高10分米的长方体截成3个相同的小长方体，它的表面积最多可以增加多少平方分米．

If a cuboid with a length of 12 decimeters, a width of 6 decimeters and a height of 10 decimeters is cut into three identical small cuboids, how much square decimeters can its surface area be increased at most?

<gadget id="calculator">12 * 10 * 4</gadget>
<output>480</output>
<result>480</result>


一个数的25%比8个(3/4)多4，求这个数．

25% of a number is 4 more than 8 (3/4), find this number.

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">(3/4) * 8</gadget>
<output>6</output>
<gadget id="calculator">6 + 4</gadget>
<output>10</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">10 / (1/4)</gadget>
<output>40</output>
<result>40</result>


甲乙两地相距30千米，A，B，C三人同时从甲地出发走往乙地，(他们的随度保持不变)，当A到达乙地时，B，C两人离乙地分别还有5千米和6千米，当B到达乙地时，C离乙地还有多少千米．

The distance between A and B is 30 kilometers. A, B, and C start from A to B at the same time (their speed remains unchanged). When A arrives at B, B and C leave B. There are still 5 kilometers and 6 kilometers left respectively. When B arrives at B, how many kilometers will C be away from B?

<gadget id="calculator">30 * 30</gadget>
<output>900</output>
<gadget id="calculator">30 * 6</gadget>
<output>180</output>
<gadget id="calculator">900 - 180</gadget>
<output>720</output>
<gadget id="calculator">30 - 5</gadget>
<output>25</output>
<gadget id="calculator">720 / 25</gadget>
<output>144/5 = around 28.8</output>
<gadget id="calculator">30 - (144/5)</gadget>
<output>6/5 = around 1.2</output>
<result>6/5 = around 1.2</result>


小丫妈妈把10000元人民币存入银行，定期3年，年利率是3.33%．到期时，小丫应得本金和利息一共多少元？

Xiaoya's mother deposits 10,000 yuan in the bank for a period of 3 years, with an annual interest rate of 3.33%. How much is the total amount of principal and interest that Xiaoya should get when the loan is due?

<gadget id="calculator">3.33 / 100</gadget>
<output>0.0333</output>
<gadget id="calculator">10_000 * 0.0333 * 3</gadget>
<output>999</output>
<gadget id="calculator">999 + 10_000</gadget>
<output>10_999</output>
<result>10_999</result>


甲数是(3/4)，乙数是甲数倒数的(1/4)．甲乙两数的和是多少？

The number of A is (3/4), and the number of B is the reciprocal of the number of A (1/4). What is the sum of the two numbers A and B?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 / (3/4)</gadget>
<output>4/3 = around 1.333333</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(4/3) * (1/4)</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/3) + (3/4)</gadget>
<output>13/12 = around 1.083333</output>
<result>13/12 = around 1.083333</result>


一个小数的小数点向右移动三位，正好是1000的70%，这个小数是多少

The decimal point of a decimal moves three places to the right, exactly 70% of 1000, what is the decimal

<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">(7/10) / 1_000</gadget>
<output>7/10_000 = around 0.0007</output>
<gadget id="calculator">1_000 * (7/10_000)</gadget>
<output>7/10 = around 0.7</output>
<result>7/10 = around 0.7</result>


一个长方形木框，长20厘米，宽12厘米，把它拉成一个高为15厘米的平行四边形，这个平行四边形的面积是多少平方厘米．

A rectangular wooden frame with a length of 20 cm and a width of 12 cm is drawn into a parallelogram with a height of 15 cm. What is the area of this parallelogram in square centimeters?

<gadget id="calculator">12 * 15</gadget>
<output>180</output>
<result>180</result>


一根铁丝能做一个长2分米，宽6厘米的长方形，如果用这根铁丝做一个正方形，这个正方形的面积是多少？

A piece of iron wire can make a rectangle with a length of 2 decimeters and a width of 6 cm. If this wire is used to make a square, what is the area of the square?

<gadget id="calculator">2 * 10</gadget>
<output>20</output>
<gadget id="calculator">20 + 6</gadget>
<output>26</output>
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">26 * (1/2) * 26 * (1/2)</gadget>
<output>169</output>
<result>169</result>


白雪公主给七个小矮人分饼子，如果饼是圆形，分一块1分钟，七块饼子一共用多分钟才分完？

Snow White divides the pancakes among the seven dwarfs. If the pancakes are round, divide them into pieces for 1 minute. How many minutes will it take to divide the seven pancakes?

<gadget id="calculator">7 - 1</gadget>
<output>6</output>
<gadget id="calculator">1 * 6</gadget>
<output>6</output>
<result>6</result>


南京路小学三年级有学生189人，比四年级少(1/10)，三四年级学生人数占全校人数的(3/10)，全校有多少学生？

There are 189 students in the third grade of Nanjing Road Primary School, which is less than the fourth grade (1/10). The number of students in the third and fourth grades accounts for the whole school (3/10). How many students are there in the whole school?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">189 / (9/10)</gadget>
<output>210</output>
<gadget id="calculator">189 + 210</gadget>
<output>399</output>
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">399 / (3/10)</gadget>
<output>1_330</output>
<result>1_330</result>


新学期学校开展了乒乓球比赛活动，学校为了满足这次活动的需要，买回7盒乒乓球，每盒6个，用去一些后还剩23个，用去了多少个乒乓球？

The school launched a table tennis competition in the new semester. In order to meet the needs of this activity, the school bought back 7 boxes of table tennis balls, 6 in each box. After using some, there were 23 left. How many table tennis balls were used?

<gadget id="calculator">7 * 6</gadget>
<output>42</output>
<gadget id="calculator">42 - 23</gadget>
<output>19</output>
<result>19</result>


有种水草每天比前一天增一倍，26天长满池塘，长满池塘一半需要多少天．

There is a kind of water plant that doubles every day compared with the previous day, and it takes 26 days to cover the pond. How many days does it take to cover half of the pond?

<gadget id="calculator">26 - 1</gadget>
<output>25</output>
<result>25</result>


一个三角形ABC，底边BC上的高AE长3.2厘米，现在底边增加20厘米，面积增加多少平方厘米？

In a triangle ABC, the height AE on the base BC is 3.2 cm long, now the base is increased by 20 cm, how many square centimeters is the area increased?

<gadget id="calculator">3.2 / 2</gadget>
<output>1.6</output>
<gadget id="calculator">20 * 1.6</gadget>
<output>32</output>
<result>32</result>


小强家距离南宁有260千米，他坐的汽车平均每小时行驶65千米，他到南宁要多少小时？

Xiaoqiang's home is 260 kilometers away from Nanning, and his car travels an average of 65 kilometers per hour. How long does it take him to get to Nanning?

<gadget id="calculator">260 / 65</gadget>
<output>4</output>
<result>4</result>


一个数减去7的差再乘7所得的积与它减去11的差相等，求这个数．

Find the number obtained by subtracting 7 from a number and multiplying 7 by 7 to get the same difference as subtracting 11 from it.

<gadget id="calculator">7 * 7</gadget>
<output>49</output>
<gadget id="calculator">49 - 11</gadget>
<output>38</output>
<gadget id="calculator">7 - 1</gadget>
<output>6</output>
<gadget id="calculator">38 / 6</gadget>
<output>19/3 = around 6.333333</output>
<result>19/3 = around 6.333333</result>


一条路长137米，修了21天后，还余11米，平均每天修多少米？

A road is 137 meters long. After 21 days of repairing, there are still 11 meters left. How many meters are repaired per day on average?

<gadget id="calculator">137 - 11</gadget>
<output>126</output>
<gadget id="calculator">126 / 21</gadget>
<output>6</output>
<result>6</result>


一项工程，甲、乙两队合做30天完成，现在甲队单独做24天后，乙队加入，两队又合做了12天，这时甲队调走，乙队继续做15天才完成这项工程．甲队单独做这项工程需多少天？

A project was completed in 30 days by teams A and B. Now team A worked alone for 24 days, and team B joined in. The two teams worked together for another 12 days. At this time, team A was transferred, and team B continued to work on it for 15 days. This project. How many days will it take Team A to do this project alone?

<gadget id="calculator">12 + 15</gadget>
<output>27</output>
<gadget id="calculator">27 / 30</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">24 - 15</gadget>
<output>9</output>
<gadget id="calculator">(1/10) / 9</gadget>
<output>1/90 = around 0.011111</output>
<gadget id="calculator">1 / (1/90)</gadget>
<output>90</output>
<result>90</result>


把一块棱长10厘米的正方体木料加工成一个最大的圆柱，这个圆柱的体积是多少立方厘米？

If a cube of wood with a side length of 10 cm is processed into the largest cylinder, what is the volume of this cylinder in cubic centimeters?

<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">3.14 * 25 * 10</gadget>
<output>785</output>
<result>785</result>


两个数的最大公因数是8，它们的最小公倍数是24，这两个数的积是多少．

The greatest common factor of two numbers is 8, and their least common multiple is 24. What is the product of these two numbers?

<gadget id="calculator">24 / 8</gadget>
<output>3</output>
<gadget id="calculator">8 * 1 * 3 * 8 * 1</gadget>
<output>192</output>
<result>192</result>


从一个长是18厘米，宽是10厘米的长方形中剪去一个最大的正方形，求剩余部分的面积？

Cut off the largest square from a rectangle whose length is 18 cm and width is 10 cm, what is the area of the remaining part?

<gadget id="calculator">18 * 10</gadget>
<output>180</output>
<gadget id="calculator">10 * 10</gadget>
<output>100</output>
<gadget id="calculator">180 - 100</gadget>
<output>80</output>
<result>80</result>


底面积、体积分别相等的圆柱和圆锥，如果圆锥高是45厘米，圆柱高是多少厘米．

For a cylinder and a cone with the same base area and volume, if the height of the cone is 45 cm, what is the height of the cylinder in cm?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">45 * (1/3)</gadget>
<output>15</output>
<result>15</result>


轿车3小时行驶了324千米，这辆轿车的速度是多少．

The car travels 324 kilometers in 3 hours, what is the speed of the car?

<gadget id="calculator">324 / 3</gadget>
<output>108</output>
<result>108</result>


一个正方形的边长是(3/4)米，它的周长是多少．

If the side length of a square is (3/4) meters, what is its perimeter?

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


甲圆柱体的底面直径与乙圆柱体的底面半径相等，甲的高是乙的3倍，则甲的侧面积是乙的((())/(()))．

The diameter of the bottom surface of a cylinder is equal to the radius of the bottom surface of cylinder B, and the height of A is three times that of B, so the lateral area of A is ((())/(())) of B.

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<result>3/2 = around 1.5</result>


解放军某部小分队，以每小时6千米的速度到某地执行任务，途中休息30分后继续前进，在出发5.5小时后，通讯员骑摩托车以56千米的速度追赶他们．几小时可以追上他们？

A certain unit of the People's Liberation Army went to a certain place to perform a mission at a speed of 6 kilometers per hour, rested for 30 minutes on the way, and continued to move forward. After 5.5 hours of departure, the correspondent chased them on a motorcycle at a speed of 56 kilometers. How many hours can catch up with them?

<gadget id="calculator">5.5 - 0.5</gadget>
<output>5</output>
<gadget id="calculator">56 - 6</gadget>
<output>50</output>
<gadget id="calculator">5 / 50</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">6 * (1/10)</gadget>
<output>3/5 = around 0.6</output>
<result>3/5 = around 0.6</result>


种50棵树，其中有2棵没有成活，树成活率是多少

If 50 trees are planted, 2 of them do not survive, what is the survival rate of the trees?

<gadget id="calculator">50 - 2</gadget>
<output>48</output>
<gadget id="calculator">48 / 50</gadget>
<output>24/25 = around 0.96</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(24/25) * 1</gadget>
<output>24/25 = around 0.96</output>
<result>24/25 = around 0.96</result>


两辆汽车同时从甲、乙两城出发相向而行，快车每小时行57千米，慢车每小时行43千米，5小时后相遇，则甲、乙两城相距多少千米．

Two cars start from A and B at the same time and drive toward each other. The express train travels 57 kilometers per hour, and the slow train travels 43 kilometers per hour. They meet after 5 hours. What is the distance between A and B in kilometers?

<gadget id="calculator">57 + 43</gadget>
<output>100</output>
<gadget id="calculator">100 * 5</gadget>
<output>500</output>
<result>500</result>


<gadget id="calculator">1.3 * 60</gadget>
<output>78</output>
<result>78</result>


6*8的两个因数都扩大10倍，积是多少．

Both factors of 6*8 are multiplied by 10, what is the product?


体育课上，四1班36个同学围成一个圆圈做游戏．每相邻两个同学之间的距离都是2米，这个圆圈的周长是多少米？

In the physical education class, 36 students in Class 4 and 1 formed a circle to play games. The distance between every two adjacent students is 2 meters, what is the circumference of this circle in meters?

<gadget id="calculator">2 * 36</gadget>
<output>72</output>
<result>72</result>


一根铁丝剪去一半，再剪去剩下铁丝的一半，还剩10米．这根铁丝原来长多少米？

Cut off half of a wire, and then cut off the remaining half of the wire, leaving 10 meters. How long is this wire?

<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">10 / (1/4)</gadget>
<output>40</output>
<result>40</result>


一个分数与它本身相加、相减、相除，所得的和、差、商相加得2，这个分数是多少．

If a fraction is added, subtracted, or divided by itself, the resulting sum, difference, and quotient are summed to get 2. What is the fraction?

<gadget id="calculator">2 - 1</gadget>
<output>1</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<result>1/2 = around 0.5</result>


商场运来58只篮球，每只单价125元．照这样计算，再运进42只篮球，一共可卖多少元？

The shopping mall shipped 58 basketballs, each with a unit price of 125 yuan. According to this calculation, how much can you sell for 42 more basketballs?

<gadget id="calculator">58 + 42</gadget>
<output>100</output>
<gadget id="calculator">100 * 125</gadget>
<output>12_500</output>
<result>12_500</result>


冰化成水，体积减少(1/10)，水结成冰，体积增加了多少．

When ice turns into water, its volume decreases (1/10), and when water turns into ice, its volume increases.

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/10) / (9/10)</gadget>
<output>1/9 = around 0.111111</output>
<result>1/9 = around 0.111111</result>


一段长200米的人行路两侧栽树，每隔5米栽一棵树(两端要栽)，这段路共栽树多少棵．

Trees are planted on both sides of a 200-meter-long sidewalk, and a tree is planted every 5 meters (both ends must be planted). How many trees are planted in this section of the road?

<gadget id="calculator">200 / 5</gadget>
<output>40</output>
<gadget id="calculator">40 + 1</gadget>
<output>41</output>
<gadget id="calculator">41 * 2</gadget>
<output>82</output>
<result>82</result>


同学们去植树，低年级去了35人，中年级去了103人，高年级去的人数比低、中年级的总数少16人．高年级去了多少人？

The students went to plant trees, 35 students from the lower grades, 103 students from the middle grades, and 16 fewer students from the upper grades than the total number of students from the lower and middle grades. How many people went to the senior year?

<gadget id="calculator">103 - 16</gadget>
<output>87</output>
<gadget id="calculator">35 + 87</gadget>
<output>122</output>
<result>122</result>


一群野牛居住在森林里，它们要迁居，野牛王把野牛召集在一起开会，点名时，发现缺席只数是出席只数的(1/6)，它很生气，刚要批评时，又跑来1只野牛，这时，缺席只数是出席只数的(1/7)，问这群野牛有多少只？

A group of bison lived in the forest, and they were going to move. The bison king called the bison together for a meeting. When the roll call was made, he found that the absent ones were the ones present (1/6). He was very angry. When he was about to criticize, he came again 1 bison, at this time, the number of absent ones is the number of present ones (1/7), how many bisons are there in this herd?

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">(1/7) - (1/8)</gadget>
<output>1/56 = around 0.017857</output>
<gadget id="calculator">1 / (1/56)</gadget>
<output>56</output>
<result>56</result>


有一只长颈鹿高(16/10)米，比一头大象的(5/2)倍还多(1/10)米，这头大象高多少米？

A giraffe is (16/10) meters tall, which is (1/10) meters taller than (5/2) an elephant. How many meters is this elephant tall?

<gadget id="calculator">16 / 10</gadget>
<output>8/5 = around 1.6</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(8/5) - (1/10)</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">(3/2) / (5/2)</gadget>
<output>3/5 = around 0.6</output>
<result>3/5 = around 0.6</result>


一件衣服先降价(1/10)销售，一段时间后，又提价(1/10)，现在的售价是最初定价的百分之几？

A piece of clothing is first sold at a reduced price (1/10), and after a period of time, the price is raised again (1/10). What percentage is the current price of the original price?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>
<gadget id="calculator">1 * (9/10) * (11/10)</gadget>
<output>99/100 = around 0.99</output>
<result>99/100 = around 0.99</result>


一个梯形的下底是20厘米，把上底延长6厘米，就成为一个平行四边形，且面积增加24平方厘米，原来梯形的面积是多少．

The lower base of a trapezoid is 20 cm. If the upper base is extended by 6 cm, it becomes a parallelogram, and the area increases by 24 cm2. What is the area of the original trapezoid?

<gadget id="calculator">20 - 6</gadget>
<output>14</output>
<gadget id="calculator">20 + 14</gadget>
<output>34</output>
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">24 * (1/3)</gadget>
<output>8</output>
<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<gadget id="calculator">34 * 4</gadget>
<output>136</output>
<result>136</result>


跳绳比赛规定每人跳5分钟，王平跳了375下，张华平均每分钟比王平多跳了5下，张华一共跳了多少下．

The rope skipping competition stipulates that each person jumps for 5 minutes. Wang Ping jumped 375 times. Zhang Hua jumped 5 times more than Wang Ping per minute on average. How many times did Zhang Hua jump in total?

<gadget id="calculator">375 / 5</gadget>
<output>75</output>
<gadget id="calculator">75 + 5</gadget>
<output>80</output>
<gadget id="calculator">80 * 5</gadget>
<output>400</output>
<result>400</result>


32至少加上多少就是3的倍数．

<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">6 - 5</gadget>
<output>1</output>
<result>1</result>


多功能教室一排游16个座位，小敏和小华是好朋友，要让他俩坐在一起，且小敏在小华左边，在同一排有多少种坐法．

There are 16 seats in a row in the multifunctional classroom. Xiao Min and Xiao Hua are good friends. If you want them to sit together, and Xiao Min is on the left of Xiao Hua, how many ways can they sit in the same row?

<gadget id="calculator">16 - 1</gadget>
<output>15</output>
<result>15</result>


张洋用20个棋子摆成一个正方形，每边上有多少个棋子．

Zhang Yang uses 20 chess pieces to form a square, how many pieces are there on each side?

<gadget id="calculator">20 / 4</gadget>
<output>5</output>
<gadget id="calculator">5 + 1</gadget>
<output>6</output>
<result>6</result>


甲乙两车都从A地出发经过B地驶往C地，A、B两地的距离等于B、C两地的距离．乙车的速度是甲车的80%．已知乙车比甲车早出发11分钟，但在B地停留了7分钟，甲车则不停地驶往C地．最后乙车比甲车迟4分钟到C地，那么，乙车到达C地用了多少分钟？

Cars A and B both start from point A and drive to point C via point B. The distance between points A and B is equal to the distance between points B and C. The speed of car B is 80% of that of car A. It is known that car B departs 11 minutes earlier than car A, but stays at point B for 7 minutes, while car A drives to point C without stopping. In the end, car B arrived at point C 4 minutes later than car A, so how many minutes did it take for car B to reach point C?

<gadget id="calculator">11 - 7</gadget>
<output>4</output>
<gadget id="calculator">4 + 4</gadget>
<output>8</output>
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">8 / (1/5)</gadget>
<output>40</output>
<gadget id="calculator">40 + 7</gadget>
<output>47</output>
<result>47</result>


一个小数的小数点向右移动一位，就比原来大3.33，这个小数是多少．

If the decimal point of a decimal is moved one bit to the right, it will be 3.33 larger than the original one. What is this decimal?

<gadget id="calculator">10 - 1</gadget>
<output>9</output>
<gadget id="calculator">3.33 / 9</gadget>
<output>0.37</output>
<result>0.37</result>


学校开展绿化校园活动，计划把植树任务按5：4的比例分给六年级和五年级完成．六年级实际完成全部任务的(5/8)，这样比计划多植树10棵．五年级实际植树多少棵？

The school carried out greening campus activities, and planned to divide the tree planting task between the sixth grade and the fifth grade according to the ratio of 5:4. The sixth grade actually completed all the tasks (5/8), so 10 more trees were planted than planned. How many trees did fifth grade actually plant?

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">4 + 5</gadget>
<output>9</output>
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">(5/8) - (5/9)</gadget>
<output>5/72 = around 0.069444</output>
<gadget id="calculator">10 / (5/72)</gadget>
<output>144</output>
<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">144 * (3/8)</gadget>
<output>54</output>
<result>54</result>


一个圆的周长为12.56cm，它的面积是多少．

The circumference of a circle is 12.56 cm, what is its area?

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>
<result>12.56</result>


有一批树苗每行栽12棵，可以栽24行．如果每行栽9棵，可以栽多少行？

There are 12 saplings planted in each row, and 24 rows can be planted. If 9 trees are planted in each row, how many rows can be planted?

<gadget id="calculator">24 / 9</gadget>
<output>8/3 = around 2.666667</output>
<gadget id="calculator">12 * (8/3)</gadget>
<output>32</output>
<result>32</result>


20千克增加它的(1/5)后再减少(1/5)千克，结果比多少千克多

20 kilograms increase its (1/5) and then reduce (1/5) kilograms, the result is more than how many kilograms


11个连续的自然数的和是154，最小的一个自然数是多少．

The sum of 11 consecutive natural numbers is 154. What is the smallest natural number?

<gadget id="calculator">11 / 2</gadget>
<output>11/2 = around 5.5</output>
<gadget id="calculator">10 * (11/2)</gadget>
<output>55</output>
<gadget id="calculator">154 - 55</gadget>
<output>99</output>
<gadget id="calculator">(11/2) + (11/2)</gadget>
<output>11</output>
<gadget id="calculator">99 / 11</gadget>
<output>9</output>
<result>9</result>


商店卖出12盒羽毛球，每盒5筒，每筒6个，一共卖出多少个羽毛球？

The store sells 12 boxes of badminton, 5 tubes in each box, 6 in each tube, how many badmintons are sold in total?

<gadget id="calculator">5 * 6 * 12</gadget>
<output>360</output>
<result>360</result>


把一根3.5米长的竹竿垂直插入水池中，竹竿的入泥部分是0.4米，露出水面部分是1.3米．池中水深多少米？

A 3.5-meter-long bamboo pole is vertically inserted into the pool. The part of the bamboo pole that enters the mud is 0.4 meters, and the part that is out of the water is 1.3 meters. How deep is the pool in meters?

<gadget id="calculator">3.5 - 0.4 - 1.3</gadget>
<output>1.8</output>
<result>1.8</result>


丁丁用围棋子摆了一个三层的空心方阵，共用了120个棋子，问最里边一层每边有多少个棋子？

Ding Ding set up a three-layer hollow square array with Go pieces, sharing 120 pieces. How many pieces are there on each side of the innermost layer?

<gadget id="calculator">120 / 4 / 3</gadget>
<output>10</output>
<gadget id="calculator">10 + 3</gadget>
<output>13</output>
<gadget id="calculator">13 - 4</gadget>
<output>9</output>
<result>9</result>


运输公司运一批树，第一次运了(1/7)，第二次运了(1/5)，还剩230棵没有运，这批树苗一共有多少棵？

The transportation company transported a batch of trees, the first time (1/7), and the second time (1/5), there are still 230 trees that have not been transported. How many saplings are there in this batch?

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/7) - (1/5)</gadget>
<output>23/35 = around 0.657143</output>
<gadget id="calculator">230 / (23/35)</gadget>
<output>350</output>
<result>350</result>


两个数相减，差等于8，如果被减数扩大2倍而减数不变，差就增加300%，减数是多少．

When two numbers are subtracted, the difference is equal to 8. If the subtrahend is doubled and the subtrahend remains unchanged, the difference will increase by 300%. What is the subtrahend?

<gadget id="calculator">32 - 16</gadget>
<output>16</output>
<gadget id="calculator">2 - 1</gadget>
<output>1</output>
<gadget id="calculator">16 / 1</gadget>
<output>16</output>
<result>16</result>


学校举办数学竞赛，按参加人数的(1/5)颁奖，分设一、二、三等奖若干名．竞赛结果显示，获一、二等奖的人数占获奖总人数的(2/5)，获二、三等奖的人数占总人数的(9/10)，共有12人获二等奖．学校有多少学生参加数学竞赛？

The school holds a mathematics competition, and prizes are awarded according to the number of participants (1/5), with a number of first, second and third prizes. The results of the competition show that the number of winners of the first and second prizes accounted for (2/5) of the total number of winners, and the number of people who won the second and third prizes accounted for (9/10) of the total number of winners. A total of 12 people won the second prize. How many students in the school participate in the math competition?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">(9/10) - 1</gadget>
<output>-1/10 = around -0.1</output>
<gadget id="calculator">(2/5) + (-1/10)</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">12 / (3/10)</gadget>
<output>40</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">40 / (1/5)</gadget>
<output>200</output>
<result>200</result>


一本书已读了120页，还剩下(1/6)没有读，这本书一共有多少页？

120 pages of a book have been read, and (1/6) is left unread. How many pages are there in total?

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">120 / (5/6)</gadget>
<output>144</output>
<result>144</result>


自动扶梯以均匀的速度由下往上行驶，两个小孩嫌电梯太慢，急着从扶梯上楼，甲小孩每分钟走26级，乙小孩每分钟走14级，结果甲小孩用4分钟到达楼上，乙小孩用6分钟到达楼上，该扶梯共有多少级．

The escalator travels from bottom to top at a uniform speed. Two children feel that the elevator is too slow, so they rush up the escalator. Child A walks 26 steps per minute, and child B walks 14 steps per minute. As a result, child A takes 4 minutes to arrive. Upstairs, child B takes 6 minutes to reach the upstairs, how many steps does the escalator have?

<gadget id="calculator">104 - 84</gadget>
<output>20</output>
<gadget id="calculator">6 - 4</gadget>
<output>2</output>
<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">10 + 26</gadget>
<output>36</output>
<gadget id="calculator">36 * 4</gadget>
<output>144</output>
<result>144</result>


鹏程修路队要在青衣江沿岸修一条路宽10米的双向行车的水泥路，修路队24小时不间断施工，用了30天时间修了6000米，比剩下的少(1/3)，这条路全长多少米？

The Pengcheng road repair team wanted to build a 10-meter-wide two-way cement road along the Qingyi River. The road repair team worked 24 hours a day. It took 30 days to build 6,000 meters, which was less than the rest (1/3). How long is this road in meters?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">6_000 / (2/3)</gadget>
<output>9_000</output>
<gadget id="calculator">6_000 + 9_000</gadget>
<output>15_000</output>
<result>15_000</result>


有2吨煤，第一次运走(1/4)，第二次又运走(1/2)吨，这时还剩多少吨．

There are 2 tons of coal, (1/4) is removed for the first time, and (1/2) tons are removed for the second time, how many tons are left at this time.

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


甲乙两个数的和是130，甲数的小数点向左移动一位就等于乙数的(4/25)，则甲数是多少．

The sum of the two numbers A and B is 130, and moving the decimal point of A to the left by one bit is equal to (4/25) of B, so what is A?

<gadget id="calculator">4 / 25</gadget>
<output>4/25 = around 0.16</output>
<gadget id="calculator">130 * (4/25)</gadget>
<output>104/5 = around 20.8</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/10) + (4/25)</gadget>
<output>13/50 = around 0.26</output>
<gadget id="calculator">(104/5) / (13/50)</gadget>
<output>80</output>
<result>80</result>


要修一条长12千米的公路，前3天修了1.5千米，照这样计算，修完这条公路还要用多少天？(用比例解)

To build a 12-kilometer-long road, 1.5 kilometers were built in the first 3 days. According to this calculation, how many days will it take to complete the road? (Solve with ratio)

<gadget id="calculator">12 * 3</gadget>
<output>36</output>
<gadget id="calculator">1.5 * 3</gadget>
<output>4.5</output>
<gadget id="calculator">36 - 4.5</gadget>
<output>31.5</output>
<gadget id="calculator">31.5 / 1.5</gadget>
<output>21</output>
<result>21</result>


一只大熊猫满月时，比刚出生时的体重增加了1105克，满月时的体重大约是刚出生时的7.5倍，这只大熊猫刚出生时的体重是多少克？

When a giant panda is full moon, its weight increases by 1105 grams compared with its birth weight, and its weight at full moon is about 7.5 times that of its birth weight. How many grams does this giant panda weigh at birth?

<gadget id="calculator">7.5 - 1</gadget>
<output>6.5</output>
<gadget id="calculator">1_105 / 6.5</gadget>
<output>170</output>
<result>170</result>


一圆柱过底面圆心沿高切开，表面积增加了60平方厘米，已知圆柱的高为5厘米，则一个底面圆的面积是多少平方厘米．

A cylinder is cut through the center of the bottom and along the height, and the surface area increases by 60 square centimeters. If the height of the cylinder is 5 centimeters, what is the area of a bottom circle in square centimeters?

<gadget id="calculator">60 / 2 / 5 / 2</gadget>
<output>3</output>
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>
<gadget id="calculator">3.14 * 9</gadget>
<output>28.26</output>
<result>28.26</result>


一个长方形长8米，长是宽的2倍，周长是多少米．

The length of a rectangle is 8 meters and the length is twice the width. What is the circumference in meters?

<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<gadget id="calculator">8 + 4</gadget>
<output>12</output>
<gadget id="calculator">12 * 2</gadget>
<output>24</output>
<result>24</result>


工人加工一批机器零件，第一天完成了任务的(7/15)，第二天完成了任务的(3/15)，两天共完成了这项任务的几分之几？

worker processes a batch of machine parts, and completes the task (7/15) on the first day, and completes the task (3/15) on the second day, what fraction of this task has been completed in two days?

<gadget id="calculator">7 / 15</gadget>
<output>7/15 = around 0.466667</output>
<gadget id="calculator">3 / 15</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(7/15) + (1/5)</gadget>
<output>2/3 = around 0.666667</output>
<result>2/3 = around 0.666667</result>


一个正方体的一个面的面积是10平方分米，它的表面积是多少平方分米．

If the area of one face of a cube is 10 square decimeters, what is its surface area?

<gadget id="calculator">10 * 6</gadget>
<output>60</output>
<result>60</result>


把1㎏葡萄干平均装在4个袋子里，每袋重多少㎏．

Put 1 kg of raisins in 4 bags on average, how much does each bag weigh?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


一个圆环的外圆半径是40dm，内圆半径是30dm，这个圆环的面积是多少dm**2．

The radius of the outer circle of a ring is 40dm, and the radius of the inner circle is 30dm. What is the area of the ring in dm**2.

<gadget id="calculator">40 ** 2</gadget>
<output>1_600</output>
<gadget id="calculator">3.14 * 1_600</gadget>
<output>5_024</output>
<gadget id="calculator">30 ** 2</gadget>
<output>900</output>
<gadget id="calculator">3.14 * 900</gadget>
<output>2_826</output>
<gadget id="calculator">5_024 - 2_826</gadget>
<output>2_198</output>
<result>2_198</result>


7.035的小数点先向左移动两位，接着向右移动三位，再向左移动两位，得到的数是多少．

The decimal point of 7.035 is first moved two places to the left, then three places to the right, and then two places to the left. What is the number obtained?

<gadget id="calculator">7.035 / 10</gadget>
<output>0.7035</output>
<result>0.7035</result>


某品牌冰箱专卖店第一天售出12台冰箱，第二天售出19台冰箱，第二天比第一天多收入16450元，每台冰箱的售价是多少元？

A refrigerator store of a certain brand sells 12 refrigerators on the first day, and 19 refrigerators on the second day. The revenue on the second day is 16,450 yuan more than that on the first day. How much is the price of each refrigerator?

<gadget id="calculator">19 - 12</gadget>
<output>7</output>
<gadget id="calculator">16_450 / 7</gadget>
<output>2_350</output>
<result>2_350</result>


一条公路第一天修了全长的(1/8)，第二天修了全长的(1/6)，第三天修的和第二天的同样多，还剩下全长的几分之几没有修？

A highway has its full length (1/8) repaired on the first day, and its full length (1/6) on the second day. On the third day, it is repaired the same amount as the second day, leaving a fraction of the total length How many have not been repaired?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/6) * 2</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 - (1/8) - (1/3)</gadget>
<output>13/24 = around 0.541667</output>
<result>13/24 = around 0.541667</result>


学校图书室原有文艺书和科技书共5400本，其中科技书比文艺书少(1/5)．最近又买入一批科技书，这时科技书是文艺书的(9/10)．学校图书室又买入多少本科技书？

There are 5,400 original literature books and science books in the school library, among which science books are less than literature books (1/5). Recently, I bought a batch of science and technology books. At this time, the science and technology books are literary books (9/10). How many science and technology books did the school library buy?

<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">1 + (4/5)</gadget>
<output>9/5 = around 1.8</output>
<gadget id="calculator">5_400 / (9/5)</gadget>
<output>3_000</output>
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">3_000 * (9/10)</gadget>
<output>2_700</output>
<gadget id="calculator">3_000 - 2_700</gadget>
<output>300</output>
<result>300</result>


一篮子鸡蛋有81个，第一位顾客买走(1/9)，第二位顾客买走剩下的(1/8)，第三个顾客买走剩下的(1/7)，第四位顾客买走剩下的(1/6)，这时篮子里还剩多少个鸡蛋？

There are 81 eggs in a basket, the first customer buys (1/9), the second customer buys the rest (1/8), the third customer buys the rest (1/7), and the second customer buys the rest (1/7). Four customers buy the rest (1/6), how many eggs are left in the basket?

<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">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<gadget id="calculator">1 - (1/7)</gadget>
<output>6/7 = around 0.857143</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">81 * (8/9) * (7/8) * (6/7) * (5/6)</gadget>
<output>45</output>
<result>45</result>


六1班58个名同学，选出部分同学参加舞蹈队排练，7人站一排刚好站完，8人站一排也正好站完，参加舞蹈队的是多少个同学．

There are 58 students in Class 1 of June. Some students are selected to participate in the dance team rehearsal. The 7 people stand in a row and the 8 people stand in a row. How many students are participating in the dance team?

<gadget id="calculator">8 * 7</gadget>
<output>56</output>
<result>56</result>


一批产品合格的有452件，不合格的有8件，这批产品的合格率是多少？

There are 452 qualified products in a batch and 8 unqualified products. What is the qualified rate of this batch of products?

<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">0.983 * 1</gadget>
<output>0.983</output>
<result>0.983</result>


一条绳子原来长35.2米，用去7.8米，还剩多少米？

A rope is originally 35.2 meters long, but 7.8 meters are used up, how many meters are left?

<gadget id="calculator">35.2 - 7.8</gadget>
<output>27.4</output>
<result>27.4</result>


三种运动衣上的号码分别是1、2、3，甲、乙、丙三人各穿一件．现有25个小球首先发给甲1个球，乙2个球，丙3个球．规定三人从余下的球中各取一次，其中穿l号衣的人取他手中球数的2倍，穿2号球衣的人取他手中球数的3倍，穿3号球衣的人取他手中球数的4倍，取走之后还剩下两个球．那么，甲穿的运动衣的号码是多少

The numbers on the three sportswear are 1, 2, and 3, and A, B, and C each wear one. There are 25 small balls first distributed to A 1 ball, B 2 balls, and C 3 balls. It is stipulated that three people can each take one ball from the remaining balls. Among them, the person wearing the No. 1 jersey takes twice the number of balls in his hands, the person wearing the No. 2 jersey takes three times the number of balls in his hands, and the person wearing the No. 3 jersey takes three times. Four times the number of balls in his hand, after taking them away, there are still two balls left. So, what is the number of the sportswear worn by A


一个分数，分子加上1，得(4/5)，若分子减1，则得(2/5)，这个分数是多少．

For a fraction, add 1 to the numerator to get (4/5), and subtract 1 from the numerator to get (2/5). What is the fraction?

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


圆柱和圆锥的高相等，圆锥的底面直径是圆柱的3倍，圆锥的体积是圆柱的多少倍

The height of the cylinder and the cone are equal, the diameter of the base of the cone is three times that of the cylinder, and the volume of the cone is how many times that of the cylinder

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


光明小学去年在校生720人，今年比去年减少了10%，这个学校今年在校生有多少人．

There were 720 students in Guangming Primary School last year, which is 10% less than last year. How many students are there in this school this year?

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">720 * (9/10)</gadget>
<output>648</output>
<result>648</result>


爸爸带小明和小丽去海洋馆看表演，买门票花了264元．成人票一张120元，学生票一张多少元？

Dad took Xiao Ming and Xiao Li to the aquarium to watch the show, and bought tickets for 264 yuan. An adult ticket is 120 yuan, how much is a student ticket?

<gadget id="calculator">264 - 120</gadget>
<output>144</output>
<gadget id="calculator">144 / 2</gadget>
<output>72</output>
<result>72</result>


一本书，小明两天看完，第一天看13页，第二天看25页，第一天看了全书的多少

Xiao Ming read a book in two days, read page 13 on the first day and page 25 on the second day, how much of the book did he read on the first day?

<gadget id="calculator">13 + 25</gadget>
<output>38</output>
<gadget id="calculator">13 / 38</gadget>
<output>13/38 = around 0.342105</output>
<result>13/38 = around 0.342105</result>


学校采购员到商场买一张桌子配2把椅子的桌椅．如果单买桌子，可买12张，如果单买椅子，可买24把．如果成套买，可买多少套桌椅？

The school buyer goes to the mall to buy a table and chairs with 2 chairs. If you buy a table alone, you can buy 12 pieces; if you buy a chair alone, you can buy 24 pieces. How many sets of tables and chairs can I buy if I buy it in a set?

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>
<gadget id="calculator">(1/24) * 2</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">(1/12) + (1/12)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 / (1/6)</gadget>
<output>6</output>
<result>6</result>


有一个两位数，十位上的数是个位上的数的(1/3)，十位上的数加6就等于个位上的数，求这个两位数．

There is a two-digit number, the number in the tens place is (1/3) of the number in the ones place, and the number in the tens place plus 6 is equal to the number in the ones place. Find this two-digit number.


一条公路的一侧每隔22米架一根电线杆，从头到尾共有31根，这条公路有多长？

On one side of a road, there are 31 poles at intervals of 22 meters. How long is this road?

<gadget id="calculator">31 - 1</gadget>
<output>30</output>
<gadget id="calculator">30 * 22</gadget>
<output>660</output>
<result>660</result>


一块梯形木板上底150厘米，下底25分米，高2米，在它和正反两面涂油漆，如果每平方米用油漆0.3千克，那么涂完这块木板共用油漆多少千克？

A trapezoidal plank has a bottom of 150 cm, a bottom of 25 decimeters, and a height of 2 meters. Paint it and its front and back sides. If 0.3 kg of paint is used per square meter, how many kg of paint will be used to paint the board?

<gadget id="calculator">1.5 + 2.5</gadget>
<output>4</output>
<gadget id="calculator">2 / 2</gadget>
<output>1</output>
<gadget id="calculator">4 * 1</gadget>
<output>4</output>
<gadget id="calculator">4 * 2 * 0.3</gadget>
<output>2.4</output>
<result>2.4</result>


四年级一班有46名学生参加3项课外活动．其中有24人参加了数学小组，20人参加了语文小组，参加文艺小组的人数是既参加数学小组又参加文艺小组人数的3.5倍，又是3项活动都参加人数的7倍，既参加文艺小组也参加语文小组的人数相当于3项都参加的人数的2倍，既参加数学小组又参加语文小组的有10人．求参加文艺小组的人数．

There are 46 students in Class 1 of Grade 4 participating in 3 extracurricular activities. Among them, 24 people participated in the mathematics group, 20 people participated in the language group, and the number of people participating in the literature and art group was 3.5 times the number of participants in both the mathematics group and the literature and art group, and it was 7 times the number of participants in all three activities. The number of people who participated in the group and the language group was equivalent to twice the number of people who participated in all three items. There were 10 people who participated in both the mathematics group and the language group. Find the number of people participating in the art group.

<gadget id="calculator">46 - 14 - 10 - 10</gadget>
<output>12</output>
<gadget id="calculator">1 - 1 - 1 - 1</gadget>
<output>-2</output>
<gadget id="calculator">4 + 1 + 1 + (-2)</gadget>
<output>4</output>
<gadget id="calculator">12 / 4</gadget>
<output>3</output>
<gadget id="calculator">3 * 7</gadget>
<output>21</output>
<result>21</result>


修路队修一条长800米的公路，第一天修了全长的25%，第二天修了余下的(5/12)．还有多少没有修？

The road construction team repaired a road with a length of 800 meters, 25% of the total length was repaired on the first day, and the rest was repaired on the second day (5/12). How much is left unrepaired?

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">800 * (1/4)</gadget>
<output>200</output>
<gadget id="calculator">800 - 200</gadget>
<output>600</output>
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>
<gadget id="calculator">600 * (5/12)</gadget>
<output>250</output>
<gadget id="calculator">800 - 200 - 250</gadget>
<output>350</output>
<result>350</result>


媛媛、妈妈和爸爸在学校的圆形塑胶跑道晨练，媛媛每圈要5分钟，妈妈每圈4分钟，爸爸每圈3分钟．开始同时跑，至少要经过多少分钟他们三人才跑在一齐？

Yuanyuan, mother and father do morning exercises on the school's circular plastic track. Yuanyuan takes 5 minutes per lap, mother 4 minutes per lap, and father 3 minutes per lap. Start running at the same time, at least how many minutes will it take for the three of them to run together?

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


学校组织学生春游，用4辆车3次把全校672名师生运完．平均每辆汽车每次运送多少名师生？

The school organized a spring outing for students, and used 4 vehicles to transport all 672 teachers and students in the school three times. How many teachers and students does each car transport on average?

<gadget id="calculator">672 / 3 / 4</gadget>
<output>56</output>
<result>56</result>


分母为154的最简真分数有多少个．

How many real fractions have the denominator 154?

<gadget id="calculator">154 / 2</gadget>
<output>77</output>
<gadget id="calculator">154 / 7</gadget>
<output>22</output>
<gadget id="calculator">154 / 11</gadget>
<output>14</output>
<gadget id="calculator">77 + 22 + 14</gadget>
<output>113</output>
<gadget id="calculator">11 + 7 + 2</gadget>
<output>20</output>
<gadget id="calculator">113 - 20</gadget>
<output>93</output>
<gadget id="calculator">93 + 1</gadget>
<output>94</output>
<gadget id="calculator">154 - 94</gadget>
<output>60</output>
<result>60</result>


小明和他爸爸今年共有48岁，多少年后他和他爸共有100岁．

Xiao Ming and his father are 48 years old this year, how many years later he and his father will be 100 years old.

<gadget id="calculator">100 - 48</gadget>
<output>52</output>
<gadget id="calculator">52 / 2</gadget>
<output>26</output>
<result>26</result>


工厂八月份生产零件3000个，比七月份的产量增加了二成，七月份一共生产零件多少个？

The factory produced 3,000 parts in August, an increase of 20% compared to July. How many parts were produced in total in July?

<gadget id="calculator">20 / 100</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">3_000 / (6/5)</gadget>
<output>2_500</output>
<result>2_500</result>


在前100个自然数中有25个质数，那么合数的个数有多少

There are 25 prime numbers among the first 100 natural numbers, how many composite numbers are there?

<gadget id="calculator">100 - 25 - 1</gadget>
<output>74</output>
<result>74</result>


一个圆柱和一个圆锥等底等高，它们的体积相差0.24立方分米，那么圆柱体的体积是多少立方厘米．

A cylinder and a cone have the same base and height, and their volumes differ by 0.24 cubic decimeters. What is the volume of the cylinder in cubic centimeters?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">0.24 / (2/3)</gadget>
<output>0.36</output>
<gadget id="calculator">0.36 * 1_000</gadget>
<output>360</output>
<result>360</result>


甲数是205，甲数比乙数多50，乙数是多少

The number of A is 205, the number of A is 50 more than the number of B, what is the number of B

<gadget id="calculator">205 - 50</gadget>
<output>155</output>
<result>155</result>


仓库里有一批化肥，运走(1/5)后，又运进80吨，这时比原有化肥增加30%，仓库里原有化肥多少吨？

There is a batch of chemical fertilizers in the warehouse. After transporting away (1/5), another 80 tons are transported in, which is 30% more than the original fertilizer. How many tons of chemical fertilizers are in the warehouse?

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<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">(3/10) - (4/5)</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">80 / (1/2)</gadget>
<output>160</output>
<result>160</result>


(1/2)化成百分数是多少．

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<result>1/2 = around 0.5</result>


机床厂原有专用机床108台，普通机床60台．如果想把专用机床数调整到普通机床的5倍，那么应该将多少台普通机床改为专用机床？

The machine tool factory originally had 108 special-purpose machine tools and 60 ordinary machine tools. If you want to adjust the number of special-purpose machine tools to 5 times that of ordinary machine tools, how many ordinary machine tools should be changed into special-purpose machine tools?

<gadget id="calculator">5 * 60</gadget>
<output>300</output>
<gadget id="calculator">300 - 108</gadget>
<output>192</output>
<gadget id="calculator">5 + 1</gadget>
<output>6</output>
<gadget id="calculator">192 / 6</gadget>
<output>32</output>
<result>32</result>