明明看一本故事书，每天看20页，5天看了这本书的一半．这本书一共有多少页？

Obviously read a story book, read 20 pages a day, read half of the book in 5 days. How many pages does this book have?

<gadget id="calculator">20 * 5 * 2</gadget>
<output>200</output>
<result>200</result>


刘老师带700元钱买排球．买了16个同样的排球，还剩60元．每个排球的价钱是多少？

Teacher Liu brought 700 yuan to buy a volleyball. Bought 16 of the same volleyball, and there is 60 yuan left. How much does each volleyball cost?

<gadget id="calculator">700 - 60</gadget>
<output>640</output>
<gadget id="calculator">640 / 16</gadget>
<output>40</output>
<result>40</result>


妈妈买来一块布，做窗帘用去(3/6)，做桌布用去(2/6)，一共用去这块布的几分之几？

Mom bought a piece of cloth and used it to make curtains (3/6) and to make tablecloths (2/6). How much of the cloth was used in total?

<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/2) + (1/3)</gadget>
<output>5/6 = around 0.833333</output>
<result>5/6 = around 0.833333</result>


有两根长度分别为3厘米和6厘米的小棒，从下面再选一根小棒，与这两根小棒正好围成三角形，你的选择是多少

There are two small rods with a length of 3 cm and 6 cm respectively. Choose another small rod from below and form a triangle with these two small rods. What is your choice?


在x-18中，当x=多少时，所得的差是12.8．

In x-18, when x=how much, the resulting difference is 12.8.

<gadget id="calculator">12.8 + 18</gadget>
<output>30.8</output>
<result>30.8</result>


某炼油车间四天共炼油20吨，第一天炼油4吨，是第二天的80%，那么后两天平均每天炼油多少吨？

A certain oil refinery refines a total of 20 tons of oil in four days, and 4 tons of oil are refined on the first day, which is 80% of the second day. How many tons of oil are refined per day on average in the next two days?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">4 / (4/5)</gadget>
<output>5</output>
<gadget id="calculator">20 - 4 - 5</gadget>
<output>11</output>
<gadget id="calculator">11 / 2</gadget>
<output>11/2 = around 5.5</output>
<result>11/2 = around 5.5</result>


小明登上山顶之后沿原路下山，已知上山用了2.4小时，下山用了1.6小时，下山的速度是每小时7.5千米，求上山的速度．

After Xiaoming climbed to the top of the mountain, he went down the mountain along the original road. It is known that it took 2.4 hours to go up the mountain and 1.6 hours to go down the mountain. The speed of going down the mountain is 7.5 kilometers per hour. Find the speed of going up the mountain.

<gadget id="calculator">1.6 / 2.4</gadget>
<output>0.666667</output>
<gadget id="calculator">7.5 * 0.666667</gadget>
<output>5.000002</output>
<result>5.000002</result>


对任意自然数a，b，规定"△"的运算为a△b=a*b，计算13△9=多少．

For any natural numbers a and b, the operation of "△" is stipulated as a△b=a*b, and 13△9=how much is calculated.

<gadget id="calculator">13 * 9</gadget>
<output>117</output>
<result>117</result>


2004年欧洲足球锦标赛小组比赛，每组四个队进行单循环比赛，每场比赛胜队得3分，败队得0分，平局各得1分，小组比赛完后，各队按积分从高到低排名次，积分相同时要按小分排序，那么获得相邻名次的两队的积分最多可相差多少分．

In the 2004 European Football Championship group competition, four teams in each group played a single round-robin competition. In each game, the winning team got 3 points, the losing team got 0 points, and the tie got 1 point. When it comes to low rankings, when the points are the same, they should be sorted by small points, so how many points can the difference between the two teams with adjacent rankings be.

<gadget id="calculator">3 * 3</gadget>
<output>9</output>
<gadget id="calculator">1 * 2</gadget>
<output>2</output>
<gadget id="calculator">9 - 2</gadget>
<output>7</output>
<result>7</result>


铺设一条长3千米的管道需9天完成，平均每天铺设的管道长度为多少千米

It takes 9 days to lay a 3 km long pipeline, what is the average length of the pipeline laid per day?

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


学校这个月的用电量比上个月节约了7.5%，这个月的用电量是上个月的多少

The electricity consumption of the school this month has been reduced by 7.5% compared with the previous month. What is the electricity consumption of this month?

<gadget id="calculator">7.5 / 100</gadget>
<output>0.075</output>
<gadget id="calculator">1 - 0.075</gadget>
<output>0.925</output>
<result>0.925</result>


一种麦田的自动旋转喷灌装置的射程是15m，这个喷水头转动一周浇灌多少m**2的农田．

The range of an automatic rotary sprinkler irrigation device for wheat fields is 15m. The sprinkler head rotates once to irrigate how many m**2 farmland.

<gadget id="calculator">3.14 * 15 * 15</gadget>
<output>706.5</output>
<result>706.5</result>


夕阳红俱乐部共有女会员65人，占会员人数的(5/8)，夕阳红俱乐部会员有多少人？

There are 65 female members in the Sunset Red Club, accounting for 5/8 of the number of members. How many members are there in the Sunset Red Club?

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">65 / (5/8)</gadget>
<output>104</output>
<result>104</result>


There is such a column of numbers: 7050.3, 705.03, 70.503, ... According to this rule, what is after 70.503

<gadget id="calculator">70.503 / 10</gadget>
<output>7.0503</output>
<result>7.0503</result>


Fill in the appropriate number in the brackets: (6/9)=((5+())/18).

<gadget id="calculator">18 / 9</gadget>
<output>2</output>
<gadget id="calculator">6 * 2</gadget>
<output>12</output>
<gadget id="calculator">12 - 5</gadget>
<output>7</output>
<result>7</result>


一架飞机每小时飞行490千米，比一列火车速度的7倍还多70千米．火车每小时行多少千米？

An airplane flies 490 kilometers per hour, 70 kilometers more than 7 times the speed of a train. How many miles does the train travel per hour?

<gadget id="calculator">490 - 70</gadget>
<output>420</output>
<gadget id="calculator">420 / 7</gadget>
<output>60</output>
<result>60</result>


原分数的分子与分母的最大公因数为18，经过约分后得(3/5)，原分数为多少．

The greatest common factor of the numerator and denominator of the original fraction is 18, after the reduction, we get (3/5), what is the original fraction?

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


把半径为2dm的圆柱切去3dm长一段，体积比原来减少多少．

If a cylinder with a radius of 2dm is cut to a length of 3dm, the volume will be reduced by how much.

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">3.14 * 4 * 3</gadget>
<output>37.68</output>
<result>37.68</result>


How much is it to combine 136-36=100 and 100/25=4 into one comprehensive formula.

<gadget id="calculator">136 - 36</gadget>
<output>100</output>
<gadget id="calculator">100 / 25</gadget>
<output>4</output>
<result>4</result>


一件衣服的进价为m元，加上40%的利润后再打八五折出售，则现在销售价格为多少元．

The purchase price of a piece of clothing is m yuan, plus a 40% profit and then sold at a 15% discount, what is the current selling price?


一块三角形土地的高是8米，底是16米，如果平均每4平方米种一棵树，这块地可以种多少棵树？

The height of a piece of triangular land is 8 meters and the base is 16 meters. If one tree is planted every 4 square meters on average, how many trees can be planted in this land?

<gadget id="calculator">8 / 2 / 4</gadget>
<output>1</output>
<gadget id="calculator">16 * 1</gadget>
<output>16</output>
<result>16</result>


一个数和(4/5)的比等于8和1.6的比，求这个数．

The ratio of a number to (4/5) is equal to the ratio of 8 to 1.6, find this number.

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">8 / 1.6</gadget>
<output>5</output>
<gadget id="calculator">(4/5) * 5</gadget>
<output>4</output>
<result>4</result>


客车从甲站开往乙站需要10小时，货车从乙站开往甲站需要15小时，两车同时从两站相对开出，在距中点90千米处相遇，两站相距多少千米？

It takes 10 hours for a passenger car to travel from Station A to Station B, and 15 hours for a truck to travel from Station B to Station A. The two buses depart from the two stations at the same time and meet at a distance of 90 kilometers from the midpoint. How many kilometers are the distance between the two stations? ?

<gadget id="calculator">15 - 10</gadget>
<output>5</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">15 + 10</gadget>
<output>25</output>
<gadget id="calculator">90 * (2/5) * 25</gadget>
<output>900</output>
<result>900</result>


一套西服的价格是1800元，其中裤子的价格是上衣的(2/3)，一条裤子的价格是多少元？

The price of a suit is 1800 yuan, and the price of trousers is 2/3 of that of the jacket. How much is the price of a pair of trousers?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>
<gadget id="calculator">1_800 / (5/3)</gadget>
<output>1_080</output>
<gadget id="calculator">1_080 * (2/3)</gadget>
<output>720</output>
<result>720</result>


一个长方形的游泳池，长25米，宽12米，池深1.4米．放入360立方米的水，这个游泳池里水深多少米？

rectangular swimming pool is 25 meters long, 12 meters wide and 1.4 meters deep. Put 360 cubic meters of water, how deep is the water in this swimming pool?

<gadget id="calculator">360 / 25 / 12</gadget>
<output>6/5 = around 1.2</output>
<result>6/5 = around 1.2</result>


益才中学派学生参加义务劳动，先派出672人，后又派出余下人数的(1/2)，这时留在学校打扫卫生的人数正好是全校人数的(1/6)，这所中学共有学生多少人？

Yicai Middle School sent students to participate in voluntary labor, first dispatching 672 people, and then sending out the remaining number (1/2). How many students?

<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 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">672 / (2/3)</gadget>
<output>1_008</output>
<result>1_008</result>


甲、乙两数的比是7：5，甲数比乙数多多少

The ratio of A and B is 7:5, how much more is A than B?

<gadget id="calculator">7 - 5</gadget>
<output>2</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<result>2/5 = around 0.4</result>


芳芳和慧慧要制作相同数量的卡片，芳芳和慧慧工作效率之比为4：5，如果两人合作，10小时可以完成两个人的任务，如果两人合作，10小时可以完成两个人的任务，如果两人单独完成各自的任务，芳芳要比慧慧多花多少小时？

Fangfang and Huihui need to make the same number of cards. The ratio of work efficiency between Fangfang and Huihui is 4:5. If two people cooperate, they can complete the task in 10 hours. If they cooperate, they can complete the task in 10 hours. Tasks, if the two complete their respective tasks alone, how many hours will Fangfang spend more than Huihui?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">4 + 5</gadget>
<output>9</output>
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">(1/10) * (4/9)</gadget>
<output>2/45 = around 0.044444</output>
<gadget id="calculator">1 / (2/45)</gadget>
<output>45/2 = around 22.5</output>
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">(1/10) * (5/9)</gadget>
<output>1/18 = around 0.055556</output>
<gadget id="calculator">1 / (1/18)</gadget>
<output>18</output>
<gadget id="calculator">(45/2) - 18</gadget>
<output>9/2 = around 4.5</output>
<result>9/2 = around 4.5</result>


一个玻璃鱼缸的形状是正方体，底面边长为4分米，放入一块石头后水面上升了0.9分米．这块石头的体积是多少？

A glass fish tank is in the shape of a cube with a side length of 4 decimeters on the bottom surface. After a stone is put in, the water level rises by 0.9 decimeters. What is the volume of this stone?

<gadget id="calculator">4 * 4 * 0.9</gadget>
<output>14.4</output>
<result>14.4</result>


小亮的爸爸早上9时上班，下午5时下班，中午休息1小时，小亮的爸爸一天工作多少小时？

Xiaoliang's father goes to work at 9:00 a.m., leaves work at 5:00 p.m., and takes an hour break at noon. How many hours does Xiaoliang's father work a day?


某四人小组中，甲的身高152厘米，乙、丙、丁三人的平均身高148厘米，那么四人的平均身高多少厘米？

In a group of four, A's height is 152 cm, and B, C, and D's average height is 148 cm, so what is the average height of the four in cm?

<gadget id="calculator">148 * 3</gadget>
<output>444</output>
<gadget id="calculator">444 + 152</gadget>
<output>596</output>
<gadget id="calculator">596 / 4</gadget>
<output>149</output>
<result>149</result>


要制作10节长方体的铁皮烟囱，每节长1m，宽4dm，高3dm，至少要用多少平方米的铁皮？

To make a cuboid iron chimney with 10 sections, each section is 1m long, 4dm wide, and 3dm high, how many square meters of iron sheet should be used at least?

<gadget id="calculator">4 * 10</gadget>
<output>40</output>
<gadget id="calculator">3 * 10</gadget>
<output>30</output>
<gadget id="calculator">40 + 30</gadget>
<output>70</output>
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">70 * 2 * (1/10)</gadget>
<output>14</output>
<result>14</result>


按规律填数：1，4，13，40，121，多少，1093…

Fill in the numbers according to the law: 1, 4, 13, 40, 121, how much, 1093...

<gadget id="calculator">121 * 3</gadget>
<output>363</output>
<gadget id="calculator">363 + 1</gadget>
<output>364</output>
<result>364</result>


要做50根管口周长为60厘米的正方形钢管，钢管长5米，需要多少平方分米的钢材？

How many square decimeters of steel are needed to make 50 square steel pipes with a circumference of 60 cm and a length of 5 meters?

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(3/5) * 4 * 5 * 50 * 100</gadget>
<output>60_000</output>
<result>60_000</result>


(5/4)化成百分数是多少．

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<result>5/4 = around 1.25</result>


修一条公路，总长300千米，前20天修了60千米，照这样计算，还要多少天可修完？

To build a road with a total length of 300 kilometers, and 60 kilometers were repaired in the first 20 days. According to this calculation, how many days will it take to complete the repair?

<gadget id="calculator">300 - 60</gadget>
<output>240</output>
<gadget id="calculator">60 / 20</gadget>
<output>3</output>
<gadget id="calculator">240 / 3</gadget>
<output>80</output>
<result>80</result>


配制浓度为30%的盐水，要用多少克盐溶入70克水中．

How many grams of salt should be dissolved in 70 grams of water to prepare 30% salt water?

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">70 / (7/10)</gadget>
<output>100</output>
<gadget id="calculator">100 - 70</gadget>
<output>30</output>
<result>30</result>


一个平行四边形苹果园底100米，高80米，每棵苹果树占地5平方米，这个果园共有多少棵苹果树？

A parallelogram apple orchard has a base of 100 meters and a height of 80 meters. Each apple tree covers an area of 5 square meters. How many apple trees are there in this orchard?

<gadget id="calculator">80 / 5</gadget>
<output>16</output>
<gadget id="calculator">100 * 16</gadget>
<output>1_600</output>
<result>1_600</result>


一辆洒水车每分钟前进40米，洒水宽度是6米，洒水车工作10分钟，能洒多少平方米地面．

sprinkler truck advances 40 meters per minute, the sprinkler width is 6 meters, and the sprinkler works for 10 minutes, how many square meters of ground can it sprinkle?

<gadget id="calculator">40 * 10 * 6</gadget>
<output>2_400</output>
<result>2_400</result>


172元人民币至少由多少张纸币组成．

172 RMB consists of at least how many banknotes.


一个数的(1/4)与它的50%相差0.4，这个数是多少？

What is the difference between (1/4) of a number and 50% of it by 0.4?

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/2) - (1/4)</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">0.4 / (1/4)</gadget>
<output>1.6</output>
<result>1.6</result>


有一个正方形的周长是0.8米，它的面积是多少？

A square has a perimeter of 0.8 meters, what is its area?

<gadget id="calculator">0.8 / 4</gadget>
<output>0.2</output>
<gadget id="calculator">0.2 * 0.2</gadget>
<output>0.04</output>
<result>0.04</result>


从一块正方形土地中划出一块宽为1米的长方形，剩下长方形的面积为24.75平方米．求出长方形的周长是多少米．

A rectangle with a width of 1 meter is drawn from a square of land, and the area of the remaining rectangle is 24.75 square meters. Find the perimeter of the rectangle in meters.

<gadget id="calculator">5.5 - 1</gadget>
<output>4.5</output>
<gadget id="calculator">5.5 + 4.5</gadget>
<output>10</output>
<gadget id="calculator">10 * 2</gadget>
<output>20</output>
<result>20</result>


一个小数的小数点向左移动两位，再扩大1000倍后是42.5，原来这个小数是多少．

The decimal point of a decimal is moved two places to the left, and after being enlarged 1000 times, it is 42.5. What is the original decimal?

<gadget id="calculator">42.5 / 1_000</gadget>
<output>0.0425</output>
<gadget id="calculator">0.0425 * 100</gadget>
<output>4.25</output>
<result>4.25</result>


乒乓球从高空落下，约能弹起落下高度的(2/5)，如果从50米的高处落下，那么弹起后再落下，第四次弹起的高度是多少米？

When a table tennis ball falls from a high altitude, it can bounce up to about 2/5 of the falling height. If it falls from a height of 50 meters, then it bounces and then falls. What is the height of the fourth bounce?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">50 * (2/5) * (2/5) * (2/5) * (2/5)</gadget>
<output>32/25 = around 1.28</output>
<result>32/25 = around 1.28</result>


<gadget id="calculator">15 * 3</gadget>
<output>45</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">45 / (3/4)</gadget>
<output>60</output>
<result>60</result>


在植树活动中，二年级植树15棵，三年级植的棵数正好是二年级的3倍，四年级比三年级多植8棵，四年级植树多少棵？

In the tree planting activity, the second grade planted 15 trees, the third grade planted exactly three times the number of the second grade, the fourth grade planted 8 more trees than the third grade, how many trees were planted in the fourth grade?

<gadget id="calculator">15 * 3</gadget>
<output>45</output>
<gadget id="calculator">45 + 8</gadget>
<output>53</output>
<result>53</result>


沙鸥上有一些企鹅和海鸥，海鸥有30只，企鹅比海鸥少5只，企鹅有多少只．

There are some penguins and seagulls on the sand gull, there are 30 seagulls, 5 less penguins than seagulls, how many penguins are there?

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


一张周长是8厘米的正方形纸，把它剪成一个最大的圆，它的面积是多少平方厘米．

A piece of paper with a perimeter of 8 centimeters is cut into the largest circle, what is its area in square centimeters?

<gadget id="calculator">8 / 4</gadget>
<output>2</output>
<gadget id="calculator">2 / 2</gadget>
<output>1</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1</gadget>
<output>3.14</output>
<result>3.14</result>


把100克糖的(1/4)放入200克水中，糖占糖水的多少

Put 100 grams of sugar (1/4) into 200 grams of water, how much sugar accounts for the sugar water

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">100 * (1/4)</gadget>
<output>25</output>
<gadget id="calculator">200 + 25</gadget>
<output>225</output>
<gadget id="calculator">25 / 225</gadget>
<output>1/9 = around 0.111111</output>
<result>1/9 = around 0.111111</result>


学校有一块长方形操场，长是100米，宽是50米，小明每天要在操场上跑2圈，小明每天要跑多少米？

The school has a rectangular playground with a length of 100 meters and a width of 50 meters. Xiao Ming has to run 2 laps on the playground every day. How many meters does Xiao Ming run every day?

<gadget id="calculator">100 + 50</gadget>
<output>150</output>
<gadget id="calculator">150 * 2 * 2</gadget>
<output>600</output>
<result>600</result>


甲数是18，比乙数的3倍少3，求乙数的算式是多少

The number A is 18, which is 3 times less than the number B, what is the formula for finding the number B

<gadget id="calculator">18 + 3</gadget>
<output>21</output>
<gadget id="calculator">21 / 3</gadget>
<output>7</output>
<result>7</result>


某校五年级同学去参观科技展览．272人排成两路纵队，前后相邻两排各相距0.8米，队伍每分钟走60米．现在要过一座长810米的桥，从排头两人上桥到排尾两人离开桥，共需要多少分？

A fifth grade student from a certain school went to visit a science and technology exhibition. 272 people lined up in two columns, the distance between the two adjacent rows is 0.8 meters, and the team walks 60 meters per minute. Now to cross a bridge that is 810 meters long, how many points will it take from the first two people to get on the bridge to the last two people to leave the bridge?

<gadget id="calculator">272 / 2</gadget>
<output>136</output>
<gadget id="calculator">136 - 1</gadget>
<output>135</output>
<gadget id="calculator">0.8 * 135</gadget>
<output>108</output>
<gadget id="calculator">810 + 108</gadget>
<output>918</output>
<gadget id="calculator">918 / 60</gadget>
<output>153/10 = around 15.3</output>
<result>153/10 = around 15.3</result>


校园里有松树23棵，杨树比松树多17棵，槐树比杨树少19棵，槐树、松树和杨树一共多少棵．

There are 23 pine trees in the campus, 17 more poplars than pine trees, 19 fewer pagoda trees than poplars, how many pagoda trees, pine trees and poplars are there altogether?

<gadget id="calculator">23 + 17</gadget>
<output>40</output>
<gadget id="calculator">40 - 19</gadget>
<output>21</output>
<gadget id="calculator">40 + 21 + 23</gadget>
<output>84</output>
<result>84</result>


全班35人去公园游玩．公园门口的购票须知上写到："每人凭票进门：儿童票每张6元，30张以上可以享受团体票(1/5)的优惠"．算一算，怎样购买门票最合算？可以少付多少钱？

The whole class of 35 people went to the park to play. The ticket purchase notice at the entrance of the park says: "Every person enters the gate with a ticket: children's tickets are 6 yuan each, and more than 30 tickets can enjoy the discount of group tickets (1/5)". Do the math, how to buy tickets the most cost-effective? How much can you pay less?

<gadget id="calculator">35 * 6</gadget>
<output>210</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">6 * (4/5) * 35</gadget>
<output>168</output>
<gadget id="calculator">210 - 168</gadget>
<output>42</output>
<result>42</result>


六年级一班评出三好学生12名，比二班多20%，两班共评出三好学生多少名？

The first class of the sixth grade selected 12 good students, 20% more than the second class. How many good students were selected by the two classes?

<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">12 / (6/5)</gadget>
<output>10</output>
<gadget id="calculator">10 + 12</gadget>
<output>22</output>
<result>22</result>


学校组织植树活动，把学生分成18个小组，一共要植576棵树，平均每组植树多少棵？

The school organized a tree planting activity and divided the students into 18 groups. A total of 576 trees were to be planted. How many trees were planted in each group on average?

<gadget id="calculator">576 / 18</gadget>
<output>32</output>
<result>32</result>


甲数除以乙数的商是20，如果甲数扩大2倍，乙数不变．那么商是多少．

The quotient of dividing the number A by the number B is 20. If the number A is doubled, the number B remains unchanged. So how much is the quotient.

<gadget id="calculator">20 * 2</gadget>
<output>40</output>
<result>40</result>


从午夜零时到中午12时，时针和分针共重叠多少次．

How many times do the hour and minute hands overlap from midnight to 12 noon?

<gadget id="calculator">12 + 1</gadget>
<output>13</output>
<result>13</result>


一壶水可以灌满2个热水瓶，1个热水瓶的水可以倒满8杯，如果1杯水200毫升，一壶水有多少毫升？

A pot of water can fill 2 thermos bottles, and 1 thermos bottle can fill 8 cups. If 1 cup of water is 200 ml, how many ml is there in a pot of water?

<gadget id="calculator">200 * 8 * 2</gadget>
<output>3_200</output>
<result>3_200</result>


一个工厂现在每件产品的成本是340元，比原来降低了15%，原来每件成本多少元？

The current cost of each product in a factory is 340 yuan, which is 15% lower than before. How much was the original cost per product?

<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>
<gadget id="calculator">340 / (17/20)</gadget>
<output>400</output>
<result>400</result>


在一块长4米，宽15米的花坛里，按0.5平方米栽一棵玫瑰花，花坛里能栽多少棵玫瑰花？

In a flower bed with a length of 4 meters and a width of 15 meters, if one rose is planted on the basis of 0.5 square meters, how many roses can be planted in the flower bed?

<gadget id="calculator">15 / 0.5</gadget>
<output>30</output>
<gadget id="calculator">4 * 30</gadget>
<output>120</output>
<result>120</result>


0.1198*25=2.995，如果得数保留一位小数，则是多少

0.1198*25=2.995, if the result retains one decimal place, what is it


王叔叔打一份5000字的稿件，第一小时打了这份稿件的30%，第二小时打了这份稿件的(1/5)．还剩多少字没有打？

Uncle Wang typed a 5,000-word manuscript. He typed 30% of the manuscript in the first hour, and typed (1/5) of the manuscript in the second hour. How many words are left untyped?

<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 - (3/10) - (1/5)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">5_000 * (1/2)</gadget>
<output>2_500</output>
<result>2_500</result>


聪聪上学前要做以下事情：起床5分钟，吃早饭10分钟，刷牙、洗脸6分钟，烧早饭12分钟．请你安排一下做这几件事的顺序，使聪聪尽快地吃完早饭，共要多少分钟．

Before going to school, Cong Cong should do the following things: get up for 5 minutes, eat breakfast for 10 minutes, brush your teeth and wash your face for 6 minutes, cook breakfast for 12 minutes. Please arrange the order of doing these things so that Congcong can finish his breakfast as soon as possible. How many minutes will it take in total?

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


造纸厂六月份上半月生产200吨纸，下半月完成了月计划的60%，结果比计划超产40吨，六月份计划造纸多少吨？

The paper mill produced 200 tons of paper in the first half of June, and completed 60% of the monthly plan in the second half of June. The result was 40 tons more than planned. How many tons of paper are planned for June?

<gadget id="calculator">200 - 40</gadget>
<output>160</output>
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">160 / (2/5)</gadget>
<output>400</output>
<result>400</result>


师徒两人共同完成一批零件，师傅每时做45个，徒弟每时做32个，两人共同工作了6小时，师傅有事离开，剩下的由徒弟一人工作了5小时才完成，这批零件共有多少个？

The master and the apprentice completed a batch of parts together. The master made 45 pieces every hour, and the apprentice made 32 pieces every hour. The two worked together for 6 hours. How many batches of parts are there?

<gadget id="calculator">45 + 32</gadget>
<output>77</output>
<gadget id="calculator">77 * 6</gadget>
<output>462</output>
<gadget id="calculator">32 * 5</gadget>
<output>160</output>
<gadget id="calculator">462 + 160</gadget>
<output>622</output>
<result>622</result>


"△"是一种新运算，规定：a△b=a*c+b*d(其中c，d为常数)，如5△7=5*c+7*d．如果1△2=5，2△3=8，那么6△1000的计算结果是多少．

"△" is a new operation, which stipulates: a△b=a*c+b*d (where c and d are constants), such as 5△7=5*c+7*d. If 1△2=5, 2△3=8, then what is the calculation result of 6△1000?

<gadget id="calculator">6 * 1</gadget>
<output>6</output>
<gadget id="calculator">1_000 * 2</gadget>
<output>2_000</output>
<gadget id="calculator">6 + 2_000</gadget>
<output>2_006</output>
<result>2_006</result>


一捆电线用去全长的(1/5)，再接上80米，结果比原来长30%，这捆电线现在长多少米．

bundle of wires uses 1/5 of the full length, and then 80 meters are connected. The result is 30% longer than the original one. How many meters is the bundle of wires now?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">80 / (1/2)</gadget>
<output>160</output>
<gadget id="calculator">160 * 1.3</gadget>
<output>208</output>
<result>208</result>


有一条路长8000米，一个修路队每天修200米，修20天后，还剩多少米？

There is a road that is 8,000 meters long, and a road repair team repairs 200 meters every day. After 20 days of repairing, how many meters are left?

<gadget id="calculator">200 * 20</gadget>
<output>4_000</output>
<gadget id="calculator">8_000 - 4_000</gadget>
<output>4_000</output>
<result>4_000</result>


六1班有48人，在班干部民主选举中规定得票数达到(2/3)才能当选．芳芳已经获得了18票，她至少再获得多少票才能当选？

There are 48 people in Class 1 of the Sixth Class. In the democratic election of class cadres, it is stipulated that the number of votes must reach (2/3) to be elected. Fangfang has already won 18 votes, how many more votes can she get to be elected?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">48 * (2/3)</gadget>
<output>32</output>
<gadget id="calculator">32 + 1</gadget>
<output>33</output>
<gadget id="calculator">33 - 18</gadget>
<output>15</output>
<result>15</result>


某商店规定："用三个空汽水瓶可以换一瓶汽水，不用另外付钱．"希瑞买了12瓶汽水，他最多可以喝上多少瓶汽水．

A store stipulates: "Three empty soda bottles can be exchanged for one soda, without additional payment." Siri bought 12 bottles of soda, how many bottles of soda can he drink at most.

<gadget id="calculator">12 / 2</gadget>
<output>6</output>
<gadget id="calculator">12 + 6</gadget>
<output>18</output>
<result>18</result>


在估算316/8时，可以把316看作多少

When estimating 316/8, you can think of 316 as how much


如果一个圆锥的高不变，底面半径增加(1/3)，则体积增加多少

If the height of a cone remains the same and the radius of the base increases (1/3), how much does the volume increase

<gadget id="calculator">3 / 1</gadget>
<output>3</output>
<gadget id="calculator">1 + 3</gadget>
<output>4</output>
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">16 / 9</gadget>
<output>16/9 = around 1.777778</output>
<gadget id="calculator">(16/9) - 1</gadget>
<output>7/9 = around 0.777778</output>
<gadget id="calculator">(7/9) / 1</gadget>
<output>7/9 = around 0.777778</output>
<result>7/9 = around 0.777778</result>


5.6与0.7的和，乘以它们的差，积是多少？

What is the product of the sum of 5.6 and 0.7 multiplied by their difference?

<gadget id="calculator">5.6 + 0.7</gadget>
<output>6.3</output>
<gadget id="calculator">5.6 - 0.7</gadget>
<output>4.9</output>
<gadget id="calculator">6.3 * 4.9</gadget>
<output>30.87</output>
<result>30.87</result>


圆圆家现在的住房面积比原来增加25%，那么原来的住房面积比现在少百分之几？

The current housing area of Yuanyuan’s house is 25% larger than before, so how much less is the original housing area than it is now?

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


如果3，4，6，x可以组成比例，那么x是多少？

If 3, 4, 6, x can form a ratio, what is x?

<gadget id="calculator">4 * 6</gadget>
<output>24</output>
<gadget id="calculator">24 / 3</gadget>
<output>8</output>
<result>8</result>


蓄水池有甲、乙两个进水管，单开甲管需12小时注满水，单开乙管需18小时注满水．现要求10小时注满水池，那么甲、乙两管至少要合开多长时间？

There are two water inlet pipes A and B in the reservoir. It takes 12 hours to fill the water when the A pipe is opened alone, and it takes 18 hours to fill the water when the B pipe is opened only. Now it is required to fill the pool in 10 hours, so how long should the pipes A and B be closed for at least how long?


一个正方形的面积是100平方厘米，它的边长是多少厘米

The area of a square is 100 square centimeters, what is its side length in centimeters


水果店运来39箱橘子，每箱15千克，又运来706千克梨，运来的梨比橘子多多少千克？

The fruit shop shipped 39 boxes of oranges, each weighing 15 kilograms, and 706 kilograms of pears. How many kilograms more pears than oranges?

<gadget id="calculator">39 * 15</gadget>
<output>585</output>
<gadget id="calculator">706 - 585</gadget>
<output>121</output>
<result>121</result>


水果店卖出9筐水果，平均每筐重45千克．卖出水果的千克数比剩下的3倍还多27千克，还剩多少千克水果？

The fruit shop sells 9 baskets of fruit, each weighing 45 kg on average. The number of kilograms of fruit sold is 27 kilograms more than the remaining three times, how many kilograms of fruit are left?

<gadget id="calculator">45 * 9</gadget>
<output>405</output>
<gadget id="calculator">405 - 27</gadget>
<output>378</output>
<gadget id="calculator">378 / 3</gadget>
<output>126</output>
<result>126</result>


两城相距630千米，一列客车和一列货车同时从两个城市相对开出，客车的速度是50千米，货车速度是客车的(4/5)，两车开出后几小时相遇？

The distance between the two cities is 630 kilometers. A passenger train and a freight train depart from the two cities at the same time. The speed of the passenger train is 50 kilometers, and the speed of the freight train is 4/5 that of the passenger train. How many hours after the two trains meet?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">50 * (4/5)</gadget>
<output>40</output>
<gadget id="calculator">50 + 40</gadget>
<output>90</output>
<gadget id="calculator">630 / 90</gadget>
<output>7</output>
<result>7</result>


用一根铁丝围成长10厘米、宽6厘米的长方形，如果改围成一个正方形，这个正方形的边长是多少厘米．

If a rectangle with a length of 10 cm and a width of 6 cm is surrounded by a piece of iron wire, if it is changed into a square, what is the side length of the square in cm?

<gadget id="calculator">10 + 6</gadget>
<output>16</output>
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">16 * (1/2)</gadget>
<output>8</output>
<result>8</result>


(9633/12844) How much is it after approximation.

<gadget id="calculator">9_633 / 12_844</gadget>
<output>3/4 = around 0.75</output>
<result>3/4 = around 0.75</result>


一桶油连桶重25千克，用去一半油后连桶重15.5千克，桶有多重？

A barrel of oil weighs 25 kilograms, and after half of the oil is used, the weight of the barrel is 15.5 kilograms. How much does the barrel weigh?

<gadget id="calculator">15.5 * 2</gadget>
<output>31</output>
<gadget id="calculator">31 - 25</gadget>
<output>6</output>
<result>6</result>


一只毛毛虫从一根10米高的木桩底部向上爬，白天爬+3米，晚上爬-2米，毛毛虫多少天可以爬到木桩的顶部？

caterpillar climbs up from the bottom of a 10-meter-high wooden pile. It climbs +3 meters during the day and -2 meters at night. How many days does it take for the caterpillar to climb to the top of the wooden pile?

<gadget id="calculator">10 - 3</gadget>
<output>7</output>
<gadget id="calculator">3 - 2</gadget>
<output>1</output>
<gadget id="calculator">7 / 1</gadget>
<output>7</output>
<gadget id="calculator">7 + 1</gadget>
<output>8</output>
<result>8</result>


甲、乙、丙、丁四人共植树60棵，甲植树的棵数是其余三人的(1/2)，乙值树的棵数是其余三人的(1/3)，丙植树棵树是其余三人(1/4)的，丁植树多少棵？

A, B, C, and D plant a total of 60 trees. The number of trees planted by A is (1/2) of the other three people, and the number of trees planted by B is (1/3) of the other three people. The tree belongs to the other three (1/4), how many trees does Ding Zhi have?

<gadget id="calculator">1 + 2</gadget>
<output>3</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 + 3</gadget>
<output>4</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 + 4</gadget>
<output>5</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/3) - (1/4) - (1/5)</gadget>
<output>13/60 = around 0.216667</output>
<gadget id="calculator">60 * (13/60)</gadget>
<output>13</output>
<result>13</result>


把一根一米长的钢筋平均分成多少份，其中的2份是它的(2/5)．

Divide a one-meter-long steel bar into how many parts on average, 2 of which are its (2/5).


一个平行四边形割补后是一个正方形，正方形的周长是20厘米，这个平行四边形的面积是多少平方厘米．

A parallelogram is trimmed to form a square. The perimeter of the square is 20 centimeters. What is the area of the parallelogram in square centimeters?

<gadget id="calculator">20 / 4</gadget>
<output>5</output>
<gadget id="calculator">5 * 5</gadget>
<output>25</output>
<result>25</result>


农场葡萄园的公顷数是苹果园面积的(4/5)，葡萄园的面积比苹果园少百分之几？

The number of hectares of the farm's vineyard is 4/5 of the area of the apple orchard. How much less is the area of the vineyard than the apple orchard?

<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">(1/5) / 1</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


甲、乙两人加工同一种零件，甲加工的零件个数比乙少20%，乙加工的时间比甲少(1/6)，乙的工作效率是甲的多少．

Two people, A and B, process the same kind of parts. The number of parts processed by A is 20% less than that of B, and the processing time of B is 1/6 less than that of A. The work efficiency of B is the same as that of A.

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">1 / (5/6)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(4/5) / 1</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(6/5) / (4/5)</gadget>
<output>3/2 = around 1.5</output>
<result>3/2 = around 1.5</result>


a/b=20…20，当b最小时，a是多少．

a/b=20...20, when b is the smallest, what is a.

<gadget id="calculator">20 + 1</gadget>
<output>21</output>
<gadget id="calculator">20 * 21</gadget>
<output>420</output>
<gadget id="calculator">420 + 20</gadget>
<output>440</output>
<result>440</result>


某工厂十月份用电比九月份节约20%，十月份用电5600度，九月份用电多少度？

The power consumption of a factory in October is 20% lower than that in September, and the electricity consumption in October is 5600 kwh. How much is the electricity consumption in September?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">5_600 / (4/5)</gadget>
<output>7_000</output>
<result>7_000</result>


东升钢铁厂原计划全年产钢135.8万吨，结果上半年生产79.6万吨，下半年生产82.4万吨，今年超过计划多少万吨？

Dongsheng Iron and Steel Works originally planned to produce 1.358 million tons of steel for the whole year, but it turned out to produce 796,000 tons in the first half of the year and 824,000 tons in the second half of the year. How many tons exceeded the plan this year?

<gadget id="calculator">82.4 - 135.8</gadget>
<output>-53.4</output>
<gadget id="calculator">79.6 + (-53.4)</gadget>
<output>26.2</output>
<result>26.2</result>


在甲乙两城市之间有一条列车线，中途停靠4处．连头带尾，共有6个停靠站．为这6个站，要准备多少种不同的车票呢？

There is a train line between A and B cities, with 4 stops along the way. Even the head and the tail, there are 6 stops. How many different tickets should be prepared for these 6 stations?

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


一个正方形的一边减少10%，另一边增加10%，得到的长方形的面积是原正方形面积的((())/(()))．

If one side of a square is reduced by 10% and the other side is increased by 10%, the area of the resulting rectangle is ((())/(())) of the original square.

<gadget id="calculator">99 / 100</gadget>
<output>99/100 = around 0.99</output>
<result>99/100 = around 0.99</result>


一本书有105页，我7天看完，平均每天看了多少页？

A book has 105 pages, I read it in 7 days, how many pages per day on average?

<gadget id="calculator">105 / 7</gadget>
<output>15</output>
<result>15</result>


一根铁丝正好能围成一个长8.3dm，宽5.3dm的长方形，如果改围成一个正方形，这个正方形的边长是多少分米？

A wire can just form a rectangle with a length of 8.3dm and a width of 5.3dm. If it is changed into a square, how many decimeters is the side length of this square?

<gadget id="calculator">8.3 + 5.3</gadget>
<output>13.6</output>
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">13.6 * (1/2)</gadget>
<output>6.8</output>
<result>6.8</result>


<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</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">(5/8) / (7/8)</gadget>
<output>5/7 = around 0.714286</output>
<result>5/7 = around 0.714286</result>


在一个周长是17.6厘米的正方形内，画一个最大的圆，那么这个圆的半径是多少厘米．

In a square with a circumference of 17.6 cm, draw the largest circle, what is the radius of this circle in cm?

<gadget id="calculator">17.6 / 4 / 2</gadget>
<output>2.2</output>
<result>2.2</result>


把3米长的铁丝平均分成4段，每段是多少米，每段是全长的((())/(()))．

Divide a 3-meter-long iron wire into 4 sections on average, how many meters is each section, and each section is the total length ((())/(())).

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


游乐园里有一条鹅卵石铺成的小路，两位游客在路上散步，他们步行的速度分别是每分45米和35米，如果两个人分别由小路两端同时出发，相向而行，5分钟相遇，如果他们同向而行，速度快的游客追上速度慢的游客需要几分？

There is a path paved with cobblestones in an amusement park. Two tourists are walking on the path. Their walking speeds are 45 meters per minute and 35 meters per minute. If two people start from both ends of the path at the same time and walk towards each other, they will meet each other in 5 minutes. , if they are traveling in the same direction, how many minutes does it take for the fast tourist to catch up with the slow tourist?

<gadget id="calculator">45 + 35</gadget>
<output>80</output>
<gadget id="calculator">45 - 35</gadget>
<output>10</output>
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">80 * (1/2)</gadget>
<output>40</output>
<result>40</result>


把一根长1.6m的长方体木料横截成3段，表面积增加了1.2cm**2，原来这根木料的体积是多少？

If a 1.6m long cuboid wood is cut into 3 sections, the surface area increases by 1.2cm**2, what is the original volume of this wood?

<gadget id="calculator">1.2 / 4</gadget>
<output>0.3</output>
<gadget id="calculator">0.3 * 1.6 * 100</gadget>
<output>48</output>
<result>48</result>


一个长方体的棱长之和是80厘米，长、宽、高的比是5：3：2，这个长方体的体积是多少立方厘米．

The sum of the sides of a cuboid is 80 cm, and the ratio of length, width, and height is 5:3:2. What is the volume of this cuboid in cubic centimeters?

<gadget id="calculator">5 + 3 + 2</gadget>
<output>10</output>
<gadget id="calculator">80 / 4 / 10</gadget>
<output>2</output>
<gadget id="calculator">2 * 5</gadget>
<output>10</output>
<gadget id="calculator">10 * 2 * 3 * 2 * 2</gadget>
<output>240</output>
<result>240</result>


一项工程，甲队单独修要10天，乙队单独修要15天，乙先做5天后，甲乙合做，还需多少天才能完成？

A project takes 10 days for team A to repair alone, and 15 days for team B to repair it alone. B will do it 5 days later, and then A and B will work together. How many days will it take to complete?

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/15) * 5</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">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/10) + (1/15)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(2/3) / (1/6)</gadget>
<output>4</output>
<result>4</result>


(7/8)的分子加上7，要使原分数值不变，分母应加上多少．

Add 7 to the numerator of (7/8), how much should be added to the denominator to keep the original fraction value unchanged.


一个圆柱和一个圆锥等底等高，体积相差8cm**3，圆锥的体积是多少立方厘米．

A cylinder and a cone have the same base and height, and the difference in volume is 8cm**3. What is the volume of the cone in cubic centimeters?

<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<result>4</result>


六年级一班有27同学参加学校合唱队，其中女生占(4/9)，根据需要，后来又选了多少名女生，这时女生占(1/2)．

There are 27 students in Class 1 of the sixth grade to participate in the school chorus, of which girls accounted for (4/9). According to the needs, how many girls were selected later, and girls accounted for (1/2).

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">27 * (4/9)</gadget>
<output>12</output>
<gadget id="calculator">27 - 12</gadget>
<output>15</output>
<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">15 / (1/2)</gadget>
<output>30</output>
<gadget id="calculator">30 - 27</gadget>
<output>3</output>
<result>3</result>


<gadget id="calculator">1 + 10</gadget>
<output>11</output>
<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">11 * 5</gadget>
<output>55</output>
<result>55</result>


王慧同学家与少年宫相距3,500米，王慧从家到少年宫步行需要1小时10分．他平均每分钟行多少米？

The distance between Wang Hui's home and the Children's Palace is 3,500 meters, and it takes 1 hour and 10 minutes to walk from Wang Hui's home to the Children's Palace. How many meters per minute does he travel on average?

<gadget id="calculator">3_500 / 70</gadget>
<output>50</output>
<result>50</result>


红光农具厂计划全年生产15600件农具，结果提前2个月完成了全年的任务，则实际每月多生产农具多少件？

Hongguang Farm Tools Factory planned to produce 15,600 pieces of farm tools for the whole year. As a result, it completed the annual task 2 months ahead of schedule. How many more pieces of farm tools were actually produced each month?

<gadget id="calculator">12 - 2</gadget>
<output>10</output>
<gadget id="calculator">15_600 / 10</gadget>
<output>1_560</output>
<gadget id="calculator">15_600 / 12</gadget>
<output>1_300</output>
<gadget id="calculator">1_560 - 1_300</gadget>
<output>260</output>
<result>260</result>


<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">(2/3) * (3/7)</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">(2/7) / (7/10)</gadget>
<output>20/49 = around 0.408163</output>
<result>20/49 = around 0.408163</result>


李军买3本双行本和2本英语本．买双行本用了2.25元，买英语本用了0.96元．每本双行本比英语本贵多少本？

Li Jun bought 3 bilingual books and 2 English books. It cost 2.25 yuan to buy a double book, and 0.96 yuan to buy an English book. How much does each bilingual copy cost more than the English version?

<gadget id="calculator">2.25 / 3</gadget>
<output>0.75</output>
<gadget id="calculator">0.96 / 2</gadget>
<output>0.48</output>
<gadget id="calculator">0.75 - 0.48</gadget>
<output>0.27</output>
<result>0.27</result>


一种小麦的出粉率在70%～80%之间，现要加工面粉560千克，至少需要多少千克小麦？

The flour extraction rate of a kind of wheat is between 70% and 80%. Now it is necessary to process 560 kilograms of flour. How many kilograms of wheat are needed at least?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">560 / (4/5)</gadget>
<output>700</output>
<result>700</result>


李师傅把一根塑料管截成同样长的15段．一次只能截下1段，他一共要截多少次？

Master Li cut a plastic tube into 15 sections of the same length. Only one paragraph can be cut at a time, how many times does he have to cut in total?

<gadget id="calculator">15 - 1</gadget>
<output>14</output>
<result>14</result>


5.3*0.002的积有多少位小数．

How many decimal places does the product of 5.3*0.002 have.


已知一个三角形的两条边是7厘米和8厘米，则第三条边不可能是多少厘米

Given that the two sides of a triangle are 7 cm and 8 cm, how many centimeters can the third side be

<gadget id="calculator">8 - 7</gadget>
<output>1</output>
<result>1</result>


三年级有学生150人，四年级的人数是三年级的2倍，五年级的人数比三、四年级的和少120人，五年级有多少人？

There are 150 students in the third grade, twice as many students in the fourth grade, and 120 fewer students in the fifth grade than the sum of the third and fourth grades. How many students are there in the fifth grade?

<gadget id="calculator">150 * 2</gadget>
<output>300</output>
<gadget id="calculator">300 - 120</gadget>
<output>180</output>
<gadget id="calculator">150 + 180</gadget>
<output>330</output>
<result>330</result>


(7/13)的分子、分母都减去多少，得到的分数约分后是(1/4)．

How much is subtracted from the numerator and denominator of (7/13), and the fraction obtained is (1/4).

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/4) * 13</gadget>
<output>13/4 = around 3.25</output>
<gadget id="calculator">7 - (13/4)</gadget>
<output>15/4 = around 3.75</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">(15/4) / (3/4)</gadget>
<output>5</output>
<result>5</result>


小明从底楼跑到4楼，共用了12秒，照这样计算，他如果从底搂跑到10楼需要多少秒．

It took Xiao Ming 12 seconds to run from the ground floor to the 4th floor. According to this calculation, how many seconds would it take him to run from the bottom floor to the 10th floor?

<gadget id="calculator">4 - 1</gadget>
<output>3</output>
<gadget id="calculator">12 / 3</gadget>
<output>4</output>
<gadget id="calculator">10 - 1</gadget>
<output>9</output>
<gadget id="calculator">4 * 9</gadget>
<output>36</output>
<result>36</result>


一家超市门口有一块平行四边形广告牌需要刷油漆(单面)，它的底边长度是10米，高是4米．如果每平方米用油漆2千克，这块广告牌至少要用油漆多少千克？

There is a parallelogram billboard at the entrance of a supermarket that needs to be painted (one-sided). Its base length is 10 meters and its height is 4 meters. If 2 kilograms of paint are used per square meter, how many kilograms of paint should be used at least for this billboard?

<gadget id="calculator">10 * 4 * 2</gadget>
<output>80</output>
<result>80</result>


展览厅内有8根同样的圆柱形柱子，每根高5米，底面周长是3.2米，要在柱子外面包一层广告纸，至少需多少平方米的广告纸．

There are 8 identical cylindrical pillars in the exhibition hall, each of which is 5 meters high, and the circumference of the bottom surface is 3.2 meters. To wrap a layer of advertising paper outside the pillars, at least how many square meters of advertising paper is needed.

<gadget id="calculator">3.2 * 5 * 8</gadget>
<output>128</output>
<result>128</result>


有1000个汽球，上午卖出395个，下午卖出315个，还剩多少个．

There are 1000 balloons, 395 are sold in the morning and 315 are sold in the afternoon, how many are left?

<gadget id="calculator">1_000 - 395 - 315</gadget>
<output>290</output>
<result>290</result>


化简一个分数时，用2约了两次，用3约了一次得(3/8)，原来的分数是多少

When simplifying a fraction, use 2 twice and 3 once to get (3/8), what is the original fraction

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<result>3/8 = around 0.375</result>


李华家的电话号码是一个七位数，这个数的前四位数与后三位数的和是7226，前三位数与后四位数的和是5039，李华家的电话号码是多少？

Li Hua’s phone number is a seven-digit number. The sum of the first four digits and the last three digits of this number is 7226, and the sum of the first three digits and the last four digits is 5039. What is Li Hua’s phone number?


学校买来297米塑料绳，原计划11米做5根跳绳，现决定每9米做5根跳绳，可以做多少根跳绳？

The school bought 297 meters of plastic rope. It originally planned to make 5 skipping ropes for 11 meters. Now it has decided to make 5 skipping ropes every 9 meters. How many skipping ropes can be made?

<gadget id="calculator">9 / 5</gadget>
<output>9/5 = around 1.8</output>
<gadget id="calculator">297 / (9/5)</gadget>
<output>165</output>
<result>165</result>


一条跑道长400米，小明每天跑5个来回，他每天跑多少千米．

A runway is 400 meters long. Xiao Ming runs 5 round trips every day. How many kilometers does he run every day?

<gadget id="calculator">5 / 1_000</gadget>
<output>1/200 = around 0.005</output>
<gadget id="calculator">400 * 2 * (1/200)</gadget>
<output>4</output>
<result>4</result>


一辆客车和一辆货车的速度比是3：2，两车分别从A、B两站同时相对开出，4小时后两车在距中点30km处相遇，A、B两站相距多少千米？

The speed ratio of a passenger car and a truck is 3:2. The two cars depart from stations A and B at the same time. After 4 hours, the two cars meet at a distance of 30 km from the midpoint. How many kilometers are the distances between stations A and B? rice?

<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(3/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">2 / (1/5)</gadget>
<output>10</output>
<gadget id="calculator">30 * 10</gadget>
<output>300</output>
<result>300</result>


一个三角形的面积是24平方厘米，底是8厘米，高是多少厘米．

The area of a triangle is 24 square centimeters, the base is 8 centimeters, and the height is in centimeters.

<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">24 * (1/4)</gadget>
<output>6</output>
<result>6</result>


生产小组加工一批零件，原计划用14天，平均每天加工1500个零件．实际每天加工2100个零件．实际用了多少天就完成了加工任务？

The production team processed a batch of parts. It was originally planned to take 14 days to process 1500 parts per day on average. Actual processing of 2100 parts per day. How many days did it actually take to complete the processing task?

<gadget id="calculator">14 / 2_100</gadget>
<output>1/150 = around 0.006667</output>
<gadget id="calculator">1_500 * (1/150)</gadget>
<output>10</output>
<result>10</result>


一个最简分数，加上它的一个分数单位，和是1．去掉它的一个分数单位，差是(7/8)．这个最简分数是多少．

A simple fraction, plus one of its fractional units, sums to 1. Drop one of its fractional units, and the difference is (7/8). What is the simplest fraction.

<gadget id="calculator">14 / 16</gadget>
<output>7/8 = around 0.875</output>
<gadget id="calculator">8 - 7</gadget>
<output>1</output>
<gadget id="calculator">1 / 16</gadget>
<output>1/16 = around 0.0625</output>
<gadget id="calculator">(7/8) + (1/16)</gadget>
<output>15/16 = around 0.9375</output>
<result>15/16 = around 0.9375</result>


六年级今天出席48人，缺席2人，出勤率是多少．

There are 48 people in the sixth grade today, and 2 people are absent. What is the attendance rate?

<gadget id="calculator">48 + 2</gadget>
<output>50</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>


3+12，6+14，12+16，24+18，…是按一定规律排列的一串算式，第10个算式的计算结果是多少．

3+12, 6+14, 12+16, 24+18, ... are a series of formulas arranged according to certain rules. What is the calculation result of the 10th formula?

<gadget id="calculator">3 * 512</gadget>
<output>1_536</output>
<gadget id="calculator">10 - 1</gadget>
<output>9</output>
<gadget id="calculator">9 * 2</gadget>
<output>18</output>
<gadget id="calculator">12 + 18</gadget>
<output>30</output>
<gadget id="calculator">1_536 + 30</gadget>
<output>1_566</output>
<result>1_566</result>


甲乙两队修路，甲队修路的(1/3)等于乙队的(1/4)，乙队比甲队多修2.4km，两队共修多少千米？

Team A and Team B are building roads. The (1/3) of team A’s road building is equal to (1/4) of team B’s (1/4). Team B has built 2.4 kilometers more than team A. How many kilometers have the two teams built in total?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/4) / (1/3)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">2.4 / (1/4)</gadget>
<output>9.6</output>
<gadget id="calculator">1 + (3/4)</gadget>
<output>7/4 = around 1.75</output>
<gadget id="calculator">9.6 * (7/4)</gadget>
<output>16.8</output>
<result>16.8</result>


一个圆柱的侧面积是18.84m**2，高3m，它的底面积是多少m**2．

The side area of a cylinder is 18.84m**2, and the height is 3m. What is the area of its base in m**2?

<gadget id="calculator">18.84 / 3 / 3.14 / 2</gadget>
<output>1</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1</gadget>
<output>3.14</output>
<result>3.14</result>


电子玩具每只19.8元，张叔叔为孩子们买了2只同样的玩具，付出50元，可以找回多少元．

Each electronic toy is 19.8 yuan. Uncle Zhang bought 2 identical toys for the children and paid 50 yuan. How much can he get back?

<gadget id="calculator">19.8 * 2</gadget>
<output>39.6</output>
<gadget id="calculator">50 - 39.6</gadget>
<output>10.4</output>
<result>10.4</result>


张丽的妈妈在银行存入10000元人民币，存期五年，年利率为2.88%，国家规定利息税为利息的20%，到期时，张丽的妈妈应缴多少利息税？

Zhang Li's mother deposited 10,000 yuan in the bank with a deposit period of five years and an annual interest rate of 2.88%. The state stipulates that the interest tax is 20% of the interest. How much interest tax should Zhang Li's mother pay when it expires?

<gadget id="calculator">2.88 / 100</gadget>
<output>0.0288</output>
<gadget id="calculator">10_000 * 0.0288 * 5</gadget>
<output>1_440</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1_440 * (1/5)</gadget>
<output>288</output>
<result>288</result>


从3、4、5、7、10、12、21中取出两个数，一个作分子，一个做分母，共可以写作成多少个不同的最简真分数．

Take two numbers from 3, 4, 5, 7, 10, 12, and 21, one as the numerator and the other as the denominator, how many different minimum true fractions can be written in total.

<gadget id="calculator">4 + 3 + 3 + 2 + 1</gadget>
<output>13</output>
<result>13</result>


把一块长为4分米、宽为3分米的长方形木板，剪成一个面积最大的正方形，这块正方形木板的面积是多少平方分米？

Cut a rectangular board with a length of 4 decimeters and a width of 3 decimeters into a square with the largest area. What is the area of this square board in square decimeters?

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


沿着一个周长是800米的鱼塘的一周，每隔20米栽一棵柳树，一共栽多少棵柳树．

A willow tree is planted every 20 meters along a circle of a fish pond with a circumference of 800 meters. How many willow trees are planted in total?

<gadget id="calculator">800 / 20</gadget>
<output>40</output>
<result>40</result>


张阿姨家买来一桶菜油，四月份用去这桶菜油的(2/5)，五月份用去(5/2)kg，六月份用去这桶菜油的(7/20)，刚好用完．这桶菜油原来有多少千克？

Aunt Zhang’s family bought a barrel of vegetable oil, used (2/5) of this barrel of vegetable oil in April, (5/2)kg in May, and (7/20) of this barrel of vegetable oil in June. over. How many kilograms is this barrel of vegetable oil originally?

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">7 / 20</gadget>
<output>7/20 = around 0.35</output>
<gadget id="calculator">1 - (2/5) - (7/20)</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(5/2) / (1/4)</gadget>
<output>10</output>
<result>10</result>


下列算式中，结果与0.049/1.4的结果相等的是多少

In the following formula, what is the result equal to the result of 0.049/1.4

<gadget id="calculator">0.049 / 1.4</gadget>
<output>0.035</output>
<result>0.035</result>


养殖场有鸭320只，鸡的只数是鸭的只数的3倍少180只，养殖场养鸡多少只？

There are 320 ducks in the farm, and the number of chickens is 180 less than three times the number of ducks. How many chickens are there in the farm?

<gadget id="calculator">320 * 3</gadget>
<output>960</output>
<gadget id="calculator">960 - 180</gadget>
<output>780</output>
<result>780</result>


小睿读一本书，第一天读了全书的12%，第二天读了36页，这时已读页数与剩下页数的比是3：7．这本书共多少页？

Xiao Rui reads a book. He reads 12% of the book on the first day and 36 pages on the second day. At this time, the ratio of the number of pages read to the number of remaining pages is 3:7. How many pages is this book?

<gadget id="calculator">3 + 7</gadget>
<output>10</output>
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">12 / 100</gadget>
<output>3/25 = around 0.12</output>
<gadget id="calculator">(3/10) - (3/25)</gadget>
<output>9/50 = around 0.18</output>
<gadget id="calculator">36 / (9/50)</gadget>
<output>200</output>
<result>200</result>


活动课上，三2班有(3/9)的人做游戏，(4/9)的人打球．做游戏的人数比打球的人数少总人数的几分之几？

In the activity class, there are (3/9) people playing games and (4/9) people playing ball in class 3 and 2. What percentage of the total number of people playing games is less than the number of people playing?

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(4/9) - (1/3)</gadget>
<output>1/9 = around 0.111111</output>
<result>1/9 = around 0.111111</result>


苹果树有416棵，梨树有358棵，桃树有169棵，苹果树比梨树多多少棵？

There are 416 apple trees, 358 pear trees, and 169 peach trees. How many more apple trees than pear trees?

<gadget id="calculator">416 - 358</gadget>
<output>58</output>
<result>58</result>


五年级图书角有145本科普类书籍和一些故事书，科普类书籍的本数比故事书的2倍还少15本．五年级有故事书多少本？

There are 145 popular science books and some story books in the fifth-grade book corner, and the number of popular science books is 15 less than twice the number of story books. How many story books are there in fifth grade?

<gadget id="calculator">145 + 15</gadget>
<output>160</output>
<gadget id="calculator">160 / 2</gadget>
<output>80</output>
<result>80</result>


幼儿园里有一个圆形游乐场，它的周长是25.12米．这个游乐场的占地面积是多少平方米？

There is a circular playground in the kindergarten, and its circumference is 25.12 meters. How many square meters does this playground occupy?

<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>
<result>50.24</result>


希望小学图书馆有连环画546本，比科技书多168本，科技书有多少本？

Hope primary school library has 546 comic books, 168 more than science books, how many science books are there?

<gadget id="calculator">546 - 168</gadget>
<output>378</output>
<result>378</result>


小明与小华玩猜数字的游戏，小明先想好四个数，然后对小华说："其中有三个数是9、33和17，第四个数我不告诉你，但这四个数中已告诉你的那三个数与这四个数平均值的差为13、3和11，那第四个数是什么？"请你算一算，第四个数是多少．

Xiao Ming and Xiao Hua played a game of guessing numbers. Xiao Ming first thought of four numbers, and then said to Xiao Hua: "Three of them are 9, 33 and 17. I won't tell you the fourth number, but these four numbers The difference between the three numbers and the average value of these four numbers that I have told you is 13, 3 and 11, what is the fourth number?" Please do the math, what is the fourth number.

<gadget id="calculator">20 * 4</gadget>
<output>80</output>
<gadget id="calculator">80 - 33 - 17 - 9</gadget>
<output>21</output>
<result>21</result>


乙数是180，比甲数少(1/10)，甲数是多少？

The number B is 180, which is less than the number A (1/10), what is the number A?

<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">180 / (9/10)</gadget>
<output>200</output>
<result>200</result>


一辆汽车从甲地开往乙地，每分钟行750米，预计50分钟到达，但汽车行驶到(3/5)路程时，出了故障．用5分钟修理完毕，如果仍需在预定时间内到达乙地，汽车行驶余下的路程时，每分钟必须比原来快多少米？

A car is driving from place A to place B, traveling 750 meters per minute, and it is expected to arrive in 50 minutes, but when the car travels to (3/5) distance, it breaks down. It takes 5 minutes to complete the repair. If you still need to arrive at point B within the scheduled time, how many meters per minute must the car travel the rest of the distance?

<gadget id="calculator">750 * 50</gadget>
<output>37_500</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">37_500 * (2/5)</gadget>
<output>15_000</output>
<gadget id="calculator">(3/5) / 750</gadget>
<output>1/1_250 = around 0.0008</output>
<gadget id="calculator">37_500 * (1/1_250)</gadget>
<output>30</output>
<gadget id="calculator">50 - 30 - 5</gadget>
<output>15</output>
<gadget id="calculator">15_000 / 15</gadget>
<output>1_000</output>
<gadget id="calculator">1_000 - 750</gadget>
<output>250</output>
<result>250</result>


一个圆锥沿着底面直径垂直切成相等的两半，表面积增加60平方厘米，已知圆锥的高为6厘米，圆锥的体积是多少立方厘米．

A cone is cut vertically into two equal halves along the diameter of the base, and the surface area increases by 60 square centimeters. It is known that the height of the cone is 6 centimeters. What is the volume of the cone in cubic centimeters?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">60 / 2</gadget>
<output>30</output>
<gadget id="calculator">2 / 6 / 2</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">30 * (1/6)</gadget>
<output>5</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">(1/3) * 3.14 * 25 * 6</gadget>
<output>157</output>
<result>157</result>


<gadget id="calculator">4.5 - 1.8</gadget>
<output>2.7</output>
<result>2.7</result>


一个长方形游泳池占地900平方米，已知该游泳池的长是45米，求游泳池的宽．

A rectangular swimming pool covers an area of 900 square meters. It is known that the length of the swimming pool is 45 meters. Find the width of the swimming pool.

<gadget id="calculator">900 / 45</gadget>
<output>20</output>
<result>20</result>


李工程师月薪2500元，按规定超过1600元的部分必须按5%缴纳个人所得税．李工程师每月应缴纳个人所得税多少元？

Engineer Li's monthly salary is 2,500 yuan. According to regulations, the part exceeding 1,600 yuan must pay personal income tax at 5%. How much personal income tax should Engineer Li pay every month?

<gadget id="calculator">2_500 - 1_600</gadget>
<output>900</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">900 * (1/20)</gadget>
<output>45</output>
<result>45</result>


一袋花生重200克，多少花生重1千克．

A bag of peanuts weighs 200 grams, how many peanuts weigh 1 kilogram.

<gadget id="calculator">1_000 / 200</gadget>
<output>5</output>
<gadget id="calculator">1 * 5</gadget>
<output>5</output>
<result>5</result>


A、B、C三个篮球队进行比赛，规定每天比赛一场，每场比赛结束后，第二天由胜队与另一队进行比赛，败队则休息一天，如此继续下去，最后结果是A队胜10场，B队胜12场，C队胜14场，则A队共打了几场比赛？

The three basketball teams A, B, and C will play a game. It is stipulated that there will be one game every day. After each game, the winning team will play against the other team on the second day, and the losing team will have a day off. If this continues, the final result is If team A wins 10 games, team B wins 12 games, and team C wins 14 games, how many games did team A play in total?

<gadget id="calculator">10 + 13</gadget>
<output>23</output>
<result>23</result>


两数相除的商是400，如果被除数不变，除数扩大5倍，商是多少．

The quotient of dividing two numbers is 400. If the dividend remains the same and the divisor is increased by 5 times, what is the quotient?

<gadget id="calculator">400 / 5</gadget>
<output>80</output>
<result>80</result>


普通列车每小时行驶126千米，高速列车每小时行驶的路程是普通列车的3倍，高速列车每小时行驶多少千米？

An ordinary train travels 126 kilometers per hour, and a high-speed train travels three times the distance per hour. How many kilometers per hour does a high-speed train travel?

<gadget id="calculator">126 * 3</gadget>
<output>378</output>
<result>378</result>


一个圆柱和一个圆锥体积相等，它们的底面积之比是1：2，则圆柱的高是圆锥高的多少．

A cylinder and a cone have the same volume, and the ratio of their base areas is 1:2, then the height of the cylinder is equal to the height of the cone.

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/3) * 2</gadget>
<output>2/3 = around 0.666667</output>
<result>2/3 = around 0.666667</result>


一种粗细均匀的钢材(6/7)米重(1/2)吨，每米长的这种钢材重多少吨

A steel material with uniform thickness (6/7) meters weighs (1/2) tons, how many tons does this steel material weigh per meter

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>
<gadget id="calculator">(1/2) / (6/7)</gadget>
<output>7/12 = around 0.583333</output>
<result>7/12 = around 0.583333</result>


小刚和小红都从A地到B地，小刚骑自行车，每分钟行300米，小红步行，每分钟行100米，小红出发5分钟后，小刚才出发，经过多少分钟小刚可以追上小红？

Both Xiaogang and Xiaohong go from point A to point B. Xiaogang rides a bicycle and travels 300 meters per minute. Xiaohong walks and travels 100 meters per minute. After Xiaohong starts for 5 minutes, Xiaogang sets off just now. How many minutes have passed for Xiaogang? Can you catch up with Xiaohong?

<gadget id="calculator">300 - 100</gadget>
<output>200</output>
<gadget id="calculator">5 / 200</gadget>
<output>1/40 = around 0.025</output>
<gadget id="calculator">100 * (1/40)</gadget>
<output>5/2 = around 2.5</output>
<result>5/2 = around 2.5</result>


甲骑车从A地到B地，乙汽车从B地到A地，甲每小时比乙多行2km，两人在上午8点同时出发，到上午10点，两人还相距36km，到中午12点两人又相距36km，求A、B两地间的距离．

rides a bicycle from point A to point B, and B goes from point B to point A by car. A travels 2 km more than B per hour. The two start at the same time at 8 am. By 10 am, they are still 36 km apart. By noon At 12 o'clock, the distance between the two is 36km. Find the distance between A and B.

<gadget id="calculator">10 - 8</gadget>
<output>2</output>
<gadget id="calculator">10 * 2</gadget>
<output>20</output>
<gadget id="calculator">8 * 2</gadget>
<output>16</output>
<gadget id="calculator">12 * 2</gadget>
<output>24</output>
<gadget id="calculator">36 - 16 - 24</gadget>
<output>-4</output>
<gadget id="calculator">20 + 36 + 16 + (-4)</gadget>
<output>68</output>
<gadget id="calculator">12 - 10 - 10 - 8 - 8</gadget>
<output>-24</output>
<gadget id="calculator">8 + 8 + 12 + (-24)</gadget>
<output>4</output>
<gadget id="calculator">68 / 4</gadget>
<output>17</output>
<gadget id="calculator">17 + 17 + 2</gadget>
<output>36</output>
<gadget id="calculator">2 * 36</gadget>
<output>72</output>
<gadget id="calculator">72 + 36</gadget>
<output>108</output>
<result>108</result>


一只挂钟的分针长12厘米，l小时分针尖端走了多少厘米．

The minute hand of a wall clock is 12 centimeters long, how many centimeters does the tip of the minute hand move in one hour?

<gadget id="calculator">3.14 * 12 * 2</gadget>
<output>75.36</output>
<result>75.36</result>


一块长方形草坪，长和宽的比是5：3，周长是96米，这块草坪的面积是多少？

A rectangular lawn, the ratio of length to width is 5:3, and the circumference is 96 meters, what is the area of this lawn?

<gadget id="calculator">96 / 2</gadget>
<output>48</output>
<gadget id="calculator">5 + 3</gadget>
<output>8</output>
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">48 * (5/8)</gadget>
<output>30</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">48 * (3/8)</gadget>
<output>18</output>
<gadget id="calculator">30 * 18</gadget>
<output>540</output>
<result>540</result>


"六一"儿童节，文化用品商店对学生用品8折优惠，原来买12枝钢笔的钱，"六一"节可以买多少枝．

On Children's Day, stationery stores offer a 20% discount on student supplies. How many pens can you buy for the original price of 12 pens on Children's Day?

<gadget id="calculator">1 * 12</gadget>
<output>12</output>
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 * (4/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">12 / (4/5)</gadget>
<output>15</output>
<result>15</result>


王叔叔上月工资总额为6800元，按规定超过4000元的部分要缴纳5%的个人所得税，王叔叔上月实际获得多少元工资？

Uncle Wang’s total salary last month was 6,800 yuan. According to regulations, the part exceeding 4,000 yuan has to pay 5% personal income tax. How much salary did Uncle Wang actually get last month?

<gadget id="calculator">6_800 - 4_000</gadget>
<output>2_800</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">2_800 * (1/20)</gadget>
<output>140</output>
<gadget id="calculator">6_800 - 140</gadget>
<output>6_660</output>
<result>6_660</result>


把9先缩小到它的(1/10)，再扩大到新数的100倍，结果是多少．

First reduce 9 to its (1/10), and then expand to 100 times of the new number, what is the result?


已知等腰三角形的一个顶角是30°，那么它的两个底角都是多少．

It is known that one vertex angle of an isosceles triangle is 30°, what are the two base angles of it?

<gadget id="calculator">180 - 30</gadget>
<output>150</output>
<gadget id="calculator">150 / 2</gadget>
<output>75</output>
<result>75</result>


假日活动队有三个活动小组，第一小组有20人，第二小组与第三小组的人数比是6：11，第二小组人数占假日活动总人数的(2/7)．假日活动队共有多少人．

The holiday activity team has three activity groups, the first group has 20 people, the ratio of the number of the second group to the third group is 6:11, the number of the second group accounts for the total number of holiday activities (2/7). How many people are there in the holiday team?

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">11 / 6</gadget>
<output>11/6 = around 1.833333</output>
<gadget id="calculator">(11/6) * (2/7)</gadget>
<output>11/21 = around 0.52381</output>
<gadget id="calculator">1 - (2/7) - (11/21)</gadget>
<output>4/21 = around 0.190476</output>
<gadget id="calculator">20 / (4/21)</gadget>
<output>105</output>
<result>105</result>


已知A=2*5*7，B=2*5*5，那么A和B的最大公约数是多少．

Given that A=2*5*7 and B=2*5*5, what is the greatest common divisor of A and B?

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


少年宫参加艺术培训的女生有123人，男生78人．参加数学培训的学生人数是艺术培训的2倍，参加数学培训的学生有多少人？

There are 123 girls and 78 boys participating in art training in the Children's Palace. The number of students participating in mathematics training is twice that of art training. How many students participate in mathematics training?

<gadget id="calculator">123 + 78</gadget>
<output>201</output>
<gadget id="calculator">201 * 2</gadget>
<output>402</output>
<result>402</result>


一个圆锥形沙堆，底面半径是2米，高1.5米．现在用这堆沙子铺10米宽的公路，如果铺的路厚5厘米，可以铺多长？

A conical pile of sand has a base radius of 2 meters and a height of 1.5 meters. Now use this pile of sand to pave a road with a width of 10 meters. If the paved road is 5 cm thick, how long can it be paved?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">10 * (1/20)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1.5 / (1/2)</gadget>
<output>3</output>
<gadget id="calculator">(1/3) * 3.14 * 4 * 3</gadget>
<output>12.56</output>
<result>12.56</result>


一个三角形的底不变，高扩大3倍，则它的面积将多少．

If the base of a triangle remains the same and the height is tripled, what is its area?


甲乙两地相距160千米，一辆汽车从甲地去乙地，(3/4)小时行了60千米，照这样的速度，行完全程要多少小时？

The distance between A and B is 160 kilometers. A car travels from A to B for 60 kilometers in (3/4) hours. At this speed, how many hours will it take to complete the journey?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">60 / (3/4)</gadget>
<output>80</output>
<gadget id="calculator">160 / 80</gadget>
<output>2</output>
<result>2</result>


陈欣和钟华平分别用48和31去乘同一个数，陈欣得到的积是576，钟华平得到的积是多少．

Chen Xin and Zhong Huaping multiplied the same number by 48 and 31 respectively, and the product obtained by Chen Xin is 576, what is the product obtained by Zhong Huaping?

<gadget id="calculator">576 / 48</gadget>
<output>12</output>
<gadget id="calculator">12 * 31</gadget>
<output>372</output>
<result>372</result>


某种商品按原价出售，每件利润是成本的(1/3)，后来打9折出售，每天的销售量翻了一番，这种商品打折后每天总利润比打折前增加了多少．

certain product is sold at the original price, and the profit of each product is 1/3 of the cost. Later, it is sold at a 10% discount, and the daily sales volume doubles.

<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">(2/5) - (1/3)</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/15) / (1/3)</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


一个圆柱，已知高每加1cm，侧面积要增加31.4cm**2，如果高是16m，那么它的表面积是多少cm**2？

For a cylinder, it is known that the side area will increase by 31.4cm**2 for every 1cm increase in its height. If the height is 16m, what is its surface area in cm**2?

<gadget id="calculator">31.4 / 1 / 3.14 / 2</gadget>
<output>5</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">3.14 * 25 * 2</gadget>
<output>157</output>
<gadget id="calculator">2 * 3.14 * 5 * 16</gadget>
<output>502.4</output>
<gadget id="calculator">157 + 502.4</gadget>
<output>659.4</output>
<result>659.4</result>


有12名学生，三分之二是男生，男生有多少人？

There are 12 students, two thirds are boys, how many boys are there?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">12 * (2/3)</gadget>
<output>8</output>
<result>8</result>


比24的(3/6)多8的数是多少

What is the number 8 more than (3/6) of 24

<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">24 * (1/2)</gadget>
<output>12</output>
<gadget id="calculator">12 + 8</gadget>
<output>20</output>
<result>20</result>


一辆自行车轮胎外直径是71厘米，如果每分钟转120周，一小时能行多少米？

The outer diameter of a bicycle tire is 71 cm. If it rotates 120 times per minute, how many meters can it travel in one hour?

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">3.14 * 71 * 120 * (3/5)</gadget>
<output>16_051.68</output>
<result>16_051.68</result>


从1到300的自然数中，至多选出多少个数，使它们当中的每一个数都不是另一个数的倍数？

From the natural numbers from 1 to 300, how many numbers can be selected such that each of them is not a multiple of the other?

<gadget id="calculator">300 - 151</gadget>
<output>149</output>
<gadget id="calculator">149 + 1</gadget>
<output>150</output>
<gadget id="calculator">299 - 150</gadget>
<output>149</output>
<result>150</result>


一个长方体的长、宽、高分别是7cm、5cm、3cm，这个长方体所有棱长的和是多少．

The length, width and height of a cuboid are 7cm, 5cm and 3cm respectively, what is the sum of the lengths of all the sides of the cuboid?

<gadget id="calculator">7 + 5 + 3</gadget>
<output>15</output>
<gadget id="calculator">15 * 4</gadget>
<output>60</output>
<result>60</result>


包装560本《故事大王》，一共包装成8包，每包里有10捆，几本《故事大王》扎成一捆？

560 copies of "Story King" are packaged into 8 packs in total, and each pack contains 10 bundles. How many "Story King" are bundled into a bundle?

<gadget id="calculator">560 / 8 / 10</gadget>
<output>7</output>
<result>7</result>


马小虎同学在统计一个小组的一次考试的平均成绩时，将李明同学的得分96误写作69，算出的平均分是87分，发现后将平均分更正为90分，则这个小组有多少位同学．

When Ma Xiaohu calculated the average score of a test in a group, he mistakenly wrote Li Ming's score of 96 as 69, and the calculated average score was 87. After finding out, he corrected the average score to 90. How many people are there in this group? classmate.

<gadget id="calculator">96 - 69</gadget>
<output>27</output>
<gadget id="calculator">90 - 87</gadget>
<output>3</output>
<gadget id="calculator">27 / 3</gadget>
<output>9</output>
<result>9</result>


一根绳子对折2次，每段是全长的((())/(()))．

A rope is folded twice, and each piece is the full length ((())/(())).

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


一个整数与3的和是5的倍数，与3的差是6的倍数．那么这样的整数中最小的一个是多少．

The sum of an integer and 3 is a multiple of 5, and the difference with 3 is a multiple of 6. What is the smallest of such integers?

<gadget id="calculator">4 * 6</gadget>
<output>24</output>
<gadget id="calculator">24 + 3</gadget>
<output>27</output>
<result>27</result>


工人们修马路，原计划用40个工人，实际用了45个工人．计划要修路90天，实际修了多少天？

The workers repaired the road, originally planned to use 40 workers, but actually used 45 workers. It was planned to build the road for 90 days, how many days did it actually take?

<gadget id="calculator">90 / 45</gadget>
<output>2</output>
<gadget id="calculator">40 * 2</gadget>
<output>80</output>
<result>80</result>


小红今年12岁，小敏比她大3岁，3年后，小红年龄是小敏年龄的多少．

Xiaohong is 12 years old this year, and Xiaomin is 3 years older than her. After 3 years, Xiaohong's age will be Xiaomin's age.

<gadget id="calculator">12 + 3</gadget>
<output>15</output>
<gadget id="calculator">15 + 3</gadget>
<output>18</output>
<gadget id="calculator">15 / 18</gadget>
<output>5/6 = around 0.833333</output>
<result>5/6 = around 0.833333</result>


爸爸买回来一个蛋糕，小东吃了这个蛋糕的(3/10)，妈妈吃了这个蛋糕的(1/10)．小东比妈妈多吃了这个蛋糕的几分之几？

Dad bought a cake, Xiaodong ate the cake (3/10), and mother ate the cake (1/10). How much more of this cake did Xiaodong eat than his mother?

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(3/10) - (1/10)</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


星光鞋厂25天生产600双鞋，平均每天生产多少双鞋？

Starlight Shoes Factory produces 600 pairs of shoes in 25 days, how many pairs of shoes are produced on average per day?

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


峰峰倒满一杯豆浆，第一次喝了(1/3)，然后加入水，将杯子斟满并搅拌均匀，第二次，林林又喝了(1/3)，继续用水将杯子斟满并搅拌均匀，重复上述过程，那么第四次后，林林共喝了一杯纯豆浆总量为多少．

Fengfeng filled a cup of soy milk, drank (1/3) for the first time, then added water, filled the cup and stirred evenly, the second time, Lin Lin drank (1/3) again, and continued to fill the cup with water Fill it up and stir evenly, repeat the above process, then after the fourth time, what is the total amount of pure soy milk that Lin Lin drank a cup of.

<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">(2/3) * (1/3)</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">1 - (1/3) - (2/9)</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">(4/9) * (1/3)</gadget>
<output>4/27 = around 0.148148</output>
<gadget id="calculator">1 - (1/3) - (2/9) - (4/27)</gadget>
<output>8/27 = around 0.296296</output>
<gadget id="calculator">(8/27) * (1/3)</gadget>
<output>8/81 = around 0.098765</output>
<gadget id="calculator">(1/3) + (2/9) + (4/27) + (8/81)</gadget>
<output>65/81 = around 0.802469</output>
<result>65/81 = around 0.802469</result>


一个正方体的棱长是4分米，它所有棱长的和是多少分米．

If the length of a side of a cube is 4 decimeters, what is the sum of the lengths of all its sides?

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


前年十一黄金周(7天)，全市的餐馆、旅游、宾馆等服务行业共收入5600万元，去年的十一黄金周中，前三天服务行业收入就达2670万元．照这样计算，去年十一黄金周服务行业收入比前年多多少万元？

Last year's 11th Golden Week (7 days), the city's restaurants, tourism, hotels and other service industries earned a total of 56 million yuan. Last year's 11th Golden Week, the first three days of service industry revenue reached 26.7 million yuan. Calculated in this way, how much more did the service industry earn during the Golden Week last year than the previous year?

<gadget id="calculator">2_670 / 3</gadget>
<output>890</output>
<gadget id="calculator">890 * 7</gadget>
<output>6_230</output>
<gadget id="calculator">6_230 - 5_600</gadget>
<output>630</output>
<result>630</result>


一辆汽车从甲地开往乙地，行了全程的(3/8)，这时离中点站还有45千米．甲乙两地相距多少千米？

A car drives from place A to place B for the whole journey (3/8). At this time, it is still 45 kilometers away from the midpoint. How many kilometers are there between A and B?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">(1/2) - (3/8)</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">45 / (1/8)</gadget>
<output>360</output>
<result>360</result>


某个三位数是2的倍数，加1是3的倍数，加2是4的倍数，加3是5的倍数，加4是6的倍数，那么这个数最小为多少．

If a three-digit number is a multiple of 2, adding 1 is a multiple of 3, adding 2 is a multiple of 4, adding 3 is a multiple of 5, and adding 4 is a multiple of 6, then what is the minimum value of this number?

<gadget id="calculator">30 * 4</gadget>
<output>120</output>
<gadget id="calculator">120 + 2</gadget>
<output>122</output>
<result>122</result>


学校买了15个蓝球和7个排球，共用了832.5元．每个篮球31元，每个排球多少元？

The school bought 15 basketballs and 7 volleyballs for a total of 832.5 yuan. Each basketball is 31 yuan, how much is each volleyball?

<gadget id="calculator">31 * 15</gadget>
<output>465</output>
<gadget id="calculator">832.5 - 465</gadget>
<output>367.5</output>
<gadget id="calculator">367.5 / 7</gadget>
<output>52.5</output>
<result>52.5</result>


在一次篮球比赛中，小明一共投篮24次，有9次没投中，他在本场比赛中投篮的命中率是多少．

In a basketball game, Xiao Ming made a total of 24 shots and missed 9 times. What is his shooting percentage in this game?

<gadget id="calculator">24 - 9</gadget>
<output>15</output>
<gadget id="calculator">15 / 24</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(5/8) * 1</gadget>
<output>5/8 = around 0.625</output>
<result>5/8 = around 0.625</result>


把一个长3厘米，宽2厘米的长方形按2：1的比放大，得到的图形的面积是多少平方厘米．

If a rectangle with a length of 3 cm and a width of 2 cm is enlarged at a ratio of 2:1, what is the area of the figure obtained in square centimeters?

<gadget id="calculator">3 * 2</gadget>
<output>6</output>
<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<gadget id="calculator">6 * 4</gadget>
<output>24</output>
<result>24</result>


小明问爸爸今年多大年纪，爸爸说"把我的年纪加上9，除以4，减去2，再乘3，恰好是30岁．"爸爸今年多少岁？

Xiao Ming asked his father how old he is this year, and his father said, "add 9 to my age, divide by 4, subtract 2, and multiply by 3, it is exactly 30 years old." How old is father this year?

<gadget id="calculator">30 / 3</gadget>
<output>10</output>
<gadget id="calculator">10 + 2</gadget>
<output>12</output>
<gadget id="calculator">12 * 4</gadget>
<output>48</output>
<gadget id="calculator">48 - 9</gadget>
<output>39</output>
<result>39</result>


青菜20千克，白菜的重量是青菜的3倍还多14千克，一共有多少千克菜．

There are 20 kilograms of green vegetables, and the weight of Chinese cabbage is three times that of green vegetables, which is 14 kilograms more. How many kilograms of vegetables are there in total?

<gadget id="calculator">20 * 3</gadget>
<output>60</output>
<gadget id="calculator">60 + 14</gadget>
<output>74</output>
<gadget id="calculator">74 + 20</gadget>
<output>94</output>
<result>94</result>


挖通一条隧道，甲队单独挖需10天完成，乙队单独挖需15天完成，如果甲队和乙队合作同时进行，需要多少天可以挖通这条隧道？

It takes 10 days for team A to dig through a tunnel alone, and 15 days for team B to dig alone. If team A and team B work together at the same time, how many days will it take to dig through the tunnel?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/10) + (1/15)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 / (1/6)</gadget>
<output>6</output>
<result>6</result>


把一根4米长的木料截成2段，表面积和增加4平方分米，原来这根木料的体积是多少立方分米．

Cut a 4-meter-long piece of wood into two sections, and increase the surface area by 4 square decimeters. What is the original volume of this piece of wood in cubic decimeters?

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">4 * 10</gadget>
<output>40</output>
<gadget id="calculator">2 * 40</gadget>
<output>80</output>
<result>80</result>


把5米长的钢筋锯成每段一样长的小段，共锯8次，每段占全长的((())/(()))，每段长多少米．

Saw a 5-meter-long steel bar into small sections of the same length, saw 8 times in total, each section accounts for ((())/(())) of the total length, and how many meters is each section long.

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>
<gadget id="calculator">1 / (1/9) / 1</gadget>
<output>9</output>
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<result>5/9 = around 0.555556</result>


一间教室长9米，宽7.2米，如果用边长3分米的正方形地砖铺地，一共需要多少块地转？

classroom is 9 meters long and 7.2 meters wide. If the floor is paved with square floor tiles with a side length of 3 decimeters, how many tiles are needed in total?

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">(3/10) * (3/10)</gadget>
<output>9/100 = around 0.09</output>
<gadget id="calculator">7.2 / (9/100)</gadget>
<output>80</output>
<gadget id="calculator">9 * 80</gadget>
<output>720</output>
<result>720</result>


一个数是10以内合数的和，这个数是多少．

A number is the sum of composite numbers up to 10. What is this number?

<gadget id="calculator">4 + 6 + 8 + 9</gadget>
<output>27</output>
<result>27</result>


一艘船从甲码头到乙码头顺流行驶，用了2小时；从乙码头返回甲码头逆流行驶，用了2.5小时．已知水流的速度是3千米/时，求船在静水中的平均速度．

It takes 2 hours for a ship to travel downstream from Pier A to Pier B; it takes 2.5 hours to sail upstream from Pier B back to Pier A. Given that the speed of the current is 3 km/h, find the average speed of the boat in still water.

<gadget id="calculator">2 * 3</gadget>
<output>6</output>
<gadget id="calculator">2.5 * 3</gadget>
<output>7.5</output>
<gadget id="calculator">6 + 7.5</gadget>
<output>13.5</output>
<gadget id="calculator">2.5 - 2</gadget>
<output>0.5</output>
<gadget id="calculator">13.5 / 0.5</gadget>
<output>27</output>
<result>27</result>


比85的2倍少15的数是多少

What is the number 15 less than twice 85

<gadget id="calculator">85 * 2</gadget>
<output>170</output>
<gadget id="calculator">170 - 15</gadget>
<output>155</output>
<result>155</result>


一根绳子，第一次用去它的(3/7)，第二次又用去它的(2/7)，还剩下这根绳子的几分之几？

A rope, its (3/7) is used for the first time, and its (2/7) is used for the second time, what fraction of the rope is left?

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">(3/7) + (2/7)</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">1 - (5/7)</gadget>
<output>2/7 = around 0.285714</output>
<result>2/7 = around 0.285714</result>


一台电脑原价5000元，现在打八折后现价比原价便宜多少元？

The original price of a computer is 5,000 yuan, how much is the current price cheaper than the original price after the 20% discount?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">5_000 * (4/5)</gadget>
<output>4_000</output>
<gadget id="calculator">5_000 - 4_000</gadget>
<output>1_000</output>
<result>1_000</result>


一个长方体铁桶油桶，它的底面是边长为4分米的正方形，这个油桶刻意装36千克的花生油．如果每升油重0.75千克，这个油桶的高是多少？(铁皮厚度忽略不计)

A cuboid iron drum oil drum, its bottom surface is a square with a side length of 4 decimeters, this oil drum deliberately holds 36 kg of peanut oil. If oil weighs 0.75 kg per liter, what is the height of the barrel? (Iron sheet thickness is ignored)

<gadget id="calculator">36 / 0.75</gadget>
<output>48</output>
<gadget id="calculator">4 * 4</gadget>
<output>16</output>
<gadget id="calculator">48 / 16</gadget>
<output>3</output>
<result>3</result>


98加42的和除以14，商是多少

What is the quotient of the sum of 98 plus 42 divided by 14?

<gadget id="calculator">98 + 42</gadget>
<output>140</output>
<gadget id="calculator">140 / 14</gadget>
<output>10</output>
<result>10</result>


光明小学四、五年级师生接受上山植树任务，四年级去了38人，五年级去了26人，两级共植树640棵，平均每人植树多少棵？

Teachers and students in the fourth and fifth grades of Guangming Primary School accepted the task of planting trees on the mountain. 38 people in the fourth grade went there, and 26 people in the fifth grade went. A total of 640 trees were planted in the two grades. How many trees are planted per person on average?

<gadget id="calculator">38 + 26</gadget>
<output>64</output>
<gadget id="calculator">640 / 64</gadget>
<output>10</output>
<result>10</result>


客车和货车同时从A、B两地相对开出，4小时后相遇，已知客车与货车的速度之比是7：5，客车比货车每小时多行5千米．求货车从B城到A城共要几小时？

The passenger car and the freight car depart from A and B oppositely at the same time, and meet each other after 4 hours. It is known that the speed ratio of the passenger car and the freight car is 7:5, and the passenger car travels 5 kilometers longer than the freight car per hour. How many hours does it take for the truck to travel from city B to city A?

<gadget id="calculator">5 + 7</gadget>
<output>12</output>
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>
<gadget id="calculator">(5/12) / 4</gadget>
<output>5/48 = around 0.104167</output>
<gadget id="calculator">(7/12) / (5/48)</gadget>
<output>28/5 = around 5.6</output>
<gadget id="calculator">(28/5) + 4</gadget>
<output>48/5 = around 9.6</output>
<result>48/5 = around 9.6</result>


小丽将1000元存入银行，定期2年，年利率是2.66%，到期她可以从银行获得税后利息多少元．

Xiaoli deposits 1,000 yuan in the bank for 2 years, and the annual interest rate is 2.66%. How much after-tax interest can she get from the bank at maturity?

<gadget id="calculator">2.66 / 100</gadget>
<output>0.0266</output>
<gadget id="calculator">1_000 * 0.0266 * 2</gadget>
<output>53.2</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">53.2 * (4/5)</gadget>
<output>42.56</output>
<result>42.56</result>


某钢材批发市场将一批钢管逐层堆放，每相邻两层相差1根．已知这堆钢管的最下层有80根，最上层只有4根，这批钢管共有多少根？

In a steel wholesale market, a batch of steel pipes are stacked layer by layer, with a difference of 1 between every two adjacent layers. It is known that there are 80 steel pipes in the bottom layer of this pile, and only 4 in the top layer. How many steel pipes are there in total in this batch?

<gadget id="calculator">4 + 80</gadget>
<output>84</output>
<gadget id="calculator">80 - 4</gadget>
<output>76</output>
<gadget id="calculator">76 + 1</gadget>
<output>77</output>
<gadget id="calculator">77 / 2</gadget>
<output>77/2 = around 38.5</output>
<gadget id="calculator">84 * (77/2)</gadget>
<output>3_234</output>
<result>3_234</result>


一座六层塔，顶层3盏灯，每层灯数是上层灯数的3倍，这座塔共有多少盏灯．

A six-story tower has 3 lights on the top floor, and the number of lights on each floor is three times the number of lights on the upper floor. How many lights are there in this tower?

<gadget id="calculator">3 ** 6</gadget>
<output>729</output>
<gadget id="calculator">1 - 729</gadget>
<output>-728</output>
<gadget id="calculator">1 - 3</gadget>
<output>-2</output>
<gadget id="calculator">(-728) / (-2)</gadget>
<output>364</output>
<gadget id="calculator">3 * 364</gadget>
<output>1_092</output>
<result>1_092</result>


用一张长18厘米，宽12厘米的纸，折成一个最大的正方形，这个正方形的周长是多少厘米．

Fold a piece of paper with a length of 18 cm and a width of 12 cm to form the largest square. What is the perimeter of this square in cm?

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


用3根小棒来拼三角形，已知两根小棒的长度分别为10厘米和5厘米，那么第三根小棒的长度最短是多少厘米．

Use 3 small sticks to assemble a triangle. If the lengths of the two small sticks are 10 cm and 5 cm respectively, what is the shortest length of the third small stick in centimeters?

<gadget id="calculator">10 - 5</gadget>
<output>5</output>
<gadget id="calculator">5 + 1</gadget>
<output>6</output>
<result>6</result>


粮库有大米850吨，面粉的重量是大米的2倍．玉米比大米、面粉重量的总和少30吨，玉米有多少吨？

There are 850 tons of rice in the grain depot, and the weight of flour is twice that of rice. Corn is 30 tons less than the sum of rice and flour. How many tons does corn have?

<gadget id="calculator">850 * 2</gadget>
<output>1_700</output>
<gadget id="calculator">1_700 - 30</gadget>
<output>1_670</output>
<gadget id="calculator">850 + 1_670</gadget>
<output>2_520</output>
<result>2_520</result>


在一个两位数的中间加上一个0，得到的新数比原来大8倍，原来的两位数是多少．

Add a 0 in the middle of a two-digit number, and the new number obtained is 8 times larger than the original one. What is the original two-digit number?


有一桶油，第一次倒出37.5%，第二次倒出24.5%，两次共倒出62千克．这桶油原有多少千克？

There is a barrel of oil, 37.5% is poured out for the first time, 24.5% is poured out for the second time, and a total of 62 kg is poured out twice. How many kilograms is this barrel of oil originally?

<gadget id="calculator">37.5 / 100</gadget>
<output>0.375</output>
<gadget id="calculator">24.5 / 100</gadget>
<output>0.245</output>
<gadget id="calculator">0.375 + 0.245</gadget>
<output>0.62</output>
<gadget id="calculator">62 / 0.62</gadget>
<output>100</output>
<result>100</result>


爷爷今年72岁，爸爸的年龄是爷爷的(1/2)，小明的年龄是爸爸的(1/4)，小明今年多少岁．

Grandpa is 72 years old this year, father's age is grandpa's (1/2), Xiao Ming's age is father's (1/4), how old is Xiao Ming this year.

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">72 * (1/2) * (1/4)</gadget>
<output>9</output>
<result>9</result>


公园里有芍药花20盆，是菊花盆数的(1/4)，月季花盆数又是菊花盆数的(3/4)．公园里有月季花多少盆？

There are 20 pots of peonies in the park, 1/4 of the number of chrysanthemum pots, and 3/4 of the number of chrysanthemum pots. How many pots are there rose flowers in the park?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">20 / (1/4)</gadget>
<output>80</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">80 * (3/4)</gadget>
<output>60</output>
<result>60</result>


一辆轿车，行驶100千米耗油8.5升．从甲地到乙地300千米，往返一次至少需要汽油多少升？

A car consumes 8.5 liters of fuel for 100 kilometers. From point A to point B for 300 kilometers, how many liters of gasoline are needed for a round trip?

<gadget id="calculator">8.5 / 100</gadget>
<output>0.085</output>
<gadget id="calculator">300 * 2</gadget>
<output>600</output>
<gadget id="calculator">0.085 * 600</gadget>
<output>51</output>
<result>51</result>


A，B两城相距150千米，甲乙两人同时骑自行车从两地相对出发，甲每小时行16千米，4小时后，两人还相距30千米，乙每小时行多少千米？

The distance between A and B is 150 kilometers. Two people, A and B, start from opposite places on bicycles at the same time. A travels 16 kilometers per hour. After 4 hours, the distance between the two is still 30 kilometers. How many kilometers does B travel per hour?

<gadget id="calculator">16 * 4</gadget>
<output>64</output>
<gadget id="calculator">150 - 64 - 30</gadget>
<output>56</output>
<gadget id="calculator">56 / 4</gadget>
<output>14</output>
<result>14</result>


小明读一本书．第一天读了8页，第二天读了11页，以后每天都比前一天多读3页，最后一天他读了32页，正好读完．这本书有多少页．

Xiao Ming reads a book. He read 8 pages on the first day, and 11 pages on the second day. After that, he read 3 pages more than the previous day. On the last day, he read 32 pages, which was just finished. How many pages does this book have.

<gadget id="calculator">8 + 32</gadget>
<output>40</output>
<gadget id="calculator">32 - 8</gadget>
<output>24</output>
<gadget id="calculator">24 / 3</gadget>
<output>8</output>
<gadget id="calculator">8 + 1</gadget>
<output>9</output>
<gadget id="calculator">9 / 2</gadget>
<output>9/2 = around 4.5</output>
<gadget id="calculator">40 * (9/2)</gadget>
<output>180</output>
<result>180</result>


把5克盐溶于95克水中，盐占盐水的多少．

Dissolve 5 grams of salt in 95 grams of water, what is the percentage of salt in the salt water?

<gadget id="calculator">5 + 95</gadget>
<output>100</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<result>1/20 = around 0.05</result>


爸爸的体重比小明的体重的2倍少8千克，已知爸爸的体重是72.5千克，小明的体重是多少千克？

Dad's weight is 8 kg less than twice Xiao Ming's weight. It is known that Dad's weight is 72.5 kg. How much is Xiao Ming's weight in kg?

<gadget id="calculator">72.5 + 8</gadget>
<output>80.5</output>
<gadget id="calculator">80.5 / 2</gadget>
<output>40.25</output>
<result>40.25</result>


甲、乙两地间的铁路长720千米，一列火车从甲地开往乙地，以每小时80千米的速度行驶了4.5小时，还差多少时间行完全程？

The railway between A and B is 720 kilometers long. A train travels from A to B at a speed of 80 kilometers per hour for 4.5 hours. How much time is left to complete the journey?

<gadget id="calculator">80 * 4.5</gadget>
<output>360</output>
<gadget id="calculator">720 - 360</gadget>
<output>360</output>
<gadget id="calculator">360 / 80</gadget>
<output>9/2 = around 4.5</output>
<result>9/2 = around 4.5</result>


甲、乙二人分别从A、B两地同时出发，相向而行．出发时他们的速度比为5：4，相遇后甲的速度降低了(1/5)．乙的速度提高了(1/5)．当甲到达B地时，乙离A地120米．A、B两地间的路程是多少米？

Two people, A and B, set off from A and B at the same time respectively, and walk toward each other. Their speed ratio was 5:4 at the start, and A's speed decreased by (1/5) after meeting. B's speed increased by (1/5). When A arrives at B, B is 120 meters away from A. What is the distance between A and B?

<gadget id="calculator">5 + 4</gadget>
<output>9</output>
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</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">5 * (4/5)</gadget>
<output>4</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">4 * (6/5)</gadget>
<output>24/5 = around 4.8</output>
<gadget id="calculator">4 / (24/5)</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">1 / (5/6)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">(4/9) * (6/5)</gadget>
<output>8/15 = around 0.533333</output>
<gadget id="calculator">(5/9) - (8/15)</gadget>
<output>1/45 = around 0.022222</output>
<gadget id="calculator">120 / (1/45)</gadget>
<output>5_400</output>
<result>5_400</result>


一堆煤，用去了(5/8)，还剩24吨．这堆煤原有多少吨？(画出线段图并解答)

pile of coal has been used up (5/8), and there are 24 tons left. How many tons is this pile of coal? (Draw a line diagram and answer)

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">24 / (3/8)</gadget>
<output>64</output>
<result>64</result>


学校买来8箱图书，每箱93本，平均分给3个年级，每个年级分多少本？

The school bought 8 boxes of books, 93 books in each box, and distributed them to 3 grades on average. How many books are distributed to each grade?

<gadget id="calculator">8 / 3</gadget>
<output>8/3 = around 2.666667</output>
<gadget id="calculator">93 * (8/3)</gadget>
<output>248</output>
<result>248</result>