学校把135本练习本平均分给3个班，每班多少本？

The school distributes 135 exercise books to 3 classes on average, how many books per class?

<gadget id="calculator">135 / 3</gadget>
<output>45</output>
<result>45</result>


为了帮助四川地震灾民，工厂赶制一批救灾帐篷，第一车间完成了这批帐篷的(1/5)，第二车间完成了这批帐篷的(1/4)，还剩下这批帐篷的几分之几没完成？

In order to help the victims of the earthquake in Sichuan, the factory rushed to make a batch of disaster relief tents. The first workshop completed (1/5) of this batch of tents, the second workshop completed (1/4) of this batch of tents, and the remaining batch of tents What percentage of it is not completed?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/5) - (1/4)</gadget>
<output>11/20 = around 0.55</output>
<result>11/20 = around 0.55</result>


有50个数的平均数是83，如果去掉其中两个数，这两个数的和是118，那么剩下的书的平均数是多少？

The average of 50 numbers is 83. If two of the numbers are removed and the sum of these two numbers is 118, what is the average of the remaining books?

<gadget id="calculator">50 * 83</gadget>
<output>4_150</output>
<gadget id="calculator">4_150 - 118</gadget>
<output>4_032</output>
<gadget id="calculator">50 - 2</gadget>
<output>48</output>
<gadget id="calculator">4_032 / 48</gadget>
<output>84</output>
<result>84</result>


种植一种观赏树木，死亡棵数与成活棵数的比是1：15，这种观赏树木的成活率是多少．

Plant a kind of ornamental tree, the ratio of the number of dead trees to the number of surviving trees is 1:15, what is the survival rate of this ornamental tree?

<gadget id="calculator">15 + 1</gadget>
<output>16</output>
<gadget id="calculator">15 / 16</gadget>
<output>15/16 = around 0.9375</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(15/16) * 1</gadget>
<output>15/16 = around 0.9375</output>
<result>15/16 = around 0.9375</result>


我国首艘航母辽宁舰的弦号是16，这个数共有多少个因数．

The chord number of my country's first aircraft carrier Liaoning is 16. How many factors does this number have?


一个圆锥的底面直径是4厘米，高3厘米，把它从顶点往下一刀切开，成为形状相同的两半，表面积增加多少平方厘米？

The diameter of the base of a cone is 4 cm and the height is 3 cm. If you cut it from the apex down to form two halves of the same shape, how many square centimeters will the surface area increase?

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">4 * (3/2) * 2</gadget>
<output>12</output>
<result>12</result>


5和8的比等于40与x的比，x是多少？

The ratio of 5 to 8 is equal to the ratio of 40 to x, what is x?

<gadget id="calculator">8 * 40</gadget>
<output>320</output>
<gadget id="calculator">320 / 5</gadget>
<output>64</output>
<result>64</result>


两个相同的数相乘，积是3600，这个数是多少．

If two identical numbers are multiplied together, the product is 3600. What is the number?


一块0.15公顷的稻田，按行距2分米，穴距15厘米，一共可插秧多少株？

A 0.15-hectare paddy field, with a row spacing of 2 decimeters and a hole spacing of 15 cm, how many rice seedlings can be transplanted in total?

<gadget id="calculator">15 * 10_000</gadget>
<output>150_000</output>
<gadget id="calculator">0.15 * 10</gadget>
<output>1.5</output>
<gadget id="calculator">2 * 1.5</gadget>
<output>3</output>
<gadget id="calculator">150_000 / 3</gadget>
<output>50_000</output>
<result>50_000</result>


把30kg糖分成质量相等的多少袋，每袋的质量(10/3)千克．

Divide 30kg of sugar into how many bags of equal mass, the mass of each bag is (10/3) kg.

<gadget id="calculator">10 / 3</gadget>
<output>10/3 = around 3.333333</output>
<gadget id="calculator">30 / (10/3)</gadget>
<output>9</output>
<result>9</result>


甲乙两数的最大公因数是5，最小公倍数是120，已知甲数是40，那么乙数是多少．

The greatest common factor of the two numbers A and B is 5, and the least common multiple is 120. It is known that the number A is 40, so what is the number B?

<gadget id="calculator">5 / 40</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">120 * (1/8)</gadget>
<output>15</output>
<result>15</result>


小明买7张光盘和42张软盘用了252元，每张软盘4元，一张光盘多少元．

Xiao Ming bought 7 CDs and 42 floppy disks for 252 yuan, 4 yuan for each floppy disk, how much is a CD.

<gadget id="calculator">42 * 4</gadget>
<output>168</output>
<gadget id="calculator">252 - 168</gadget>
<output>84</output>
<gadget id="calculator">84 / 7</gadget>
<output>12</output>
<result>12</result>


如果A，B，C三个数的平均数是2.5，D是7.3，则A，B，C，D四个数的平均数是多少．

If the average of the three numbers A, B, and C is 2.5, and D is 7.3, what is the average of the four numbers A, B, C, and D?

<gadget id="calculator">2.5 * 3</gadget>
<output>7.5</output>
<gadget id="calculator">7.5 + 7.3</gadget>
<output>14.8</output>
<gadget id="calculator">14.8 / 4</gadget>
<output>3.7</output>
<result>3.7</result>


有6个棱长分别是4厘米、5厘米、6厘米的相同的长方体，把它们的某些面染上红色，使得6个长方体中染有红色的面恰好分别是1个面、2个面、3个面、4个面、5个面和6个面．染色后把所有长方体分割成棱长为1厘米的小正方体，分割完毕后，恰有一面是红色的小正方体最多有多少个？

There are 6 identical cuboids whose edge lengths are 4 cm, 5 cm, and 6 cm respectively, and some of their faces are dyed red, so that the faces dyed red in the 6 cuboids are exactly 1 face and 2 faces respectively. , 3 faces, 4 faces, 5 faces and 6 faces. After dyeing, divide all the cuboids into small cubes with an edge length of 1 cm. After the division, how many small cubes are there that have exactly one side red?

<gadget id="calculator">1 * 1</gadget>
<output>1</output>
<gadget id="calculator">5 / 1</gadget>
<output>5</output>
<gadget id="calculator">6 * 5</gadget>
<output>30</output>
<gadget id="calculator">5 * 4 * 2</gadget>
<output>40</output>
<gadget id="calculator">5 * 2 * 2</gadget>
<output>20</output>
<gadget id="calculator">40 + 20</gadget>
<output>60</output>
<gadget id="calculator">60 / 1</gadget>
<output>60</output>
<gadget id="calculator">60 * 3</gadget>
<output>180</output>
<gadget id="calculator">5 * 2 * 5</gadget>
<output>50</output>
<gadget id="calculator">3 * 2</gadget>
<output>6</output>
<gadget id="calculator">3 * 2 * 2</gadget>
<output>12</output>
<gadget id="calculator">3 * 4 * 2</gadget>
<output>24</output>
<gadget id="calculator">2 * 4 * 2</gadget>
<output>16</output>
<gadget id="calculator">30 + 180 + 50 + 6 + 12 + 24 + 16</gadget>
<output>318</output>
<result>318</result>


小李要去六楼，他从一楼到四楼走了30级台阶，照这样计算，小李到六楼走了多少级台阶．

Xiao Li is going to the sixth floor. He walked 30 steps from the first floor to the fourth floor. According to this calculation, how many steps did Xiao Li walk to the sixth floor.

<gadget id="calculator">4 - 1</gadget>
<output>3</output>
<gadget id="calculator">30 / 3</gadget>
<output>10</output>
<gadget id="calculator">6 - 1</gadget>
<output>5</output>
<gadget id="calculator">10 * 5</gadget>
<output>50</output>
<result>50</result>


甲乙两个服装厂生产同一种服装，甲厂每月生产服装2700套，生产上衣和裤子的时间比是2：1；乙厂每月生产服装3600套，生产上衣和裤子的时间比是3：2．若两个厂合作一个月，最多可生产服装多少套．

Two garment factories, A and B, produce the same garment. Factory A produces 2,700 sets of garments per month, and the time ratio for producing tops and trousers is 2:1; Factory B produces 3,600 sets of garments per month, and the time ratio for producing tops and trousers is 3: 2. If the two factories cooperate for one month, how many sets of clothing can be produced at most.

<gadget id="calculator">2 + 3</gadget>
<output>5</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">3_600 / (3/5)</gadget>
<output>6_000</output>
<gadget id="calculator">20 / 27</gadget>
<output>20/27 = around 0.740741</output>
<gadget id="calculator">1 - (20/27)</gadget>
<output>7/27 = around 0.259259</output>
<gadget id="calculator">2_700 * (7/27)</gadget>
<output>700</output>
<gadget id="calculator">6_000 + 700</gadget>
<output>6_700</output>
<result>6_700</result>


一种商品，第一次降价10%，第二次又降价20%，现在是这种商品的多少

For a commodity, the price is reduced by 10% for the first time, and the price is reduced by 20% for the second time, what is the current price of this commodity

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">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">1 * (9/10) * (4/5)</gadget>
<output>18/25 = around 0.72</output>
<result>18/25 = around 0.72</result>


小明从山下到山顶后又原路下山．上山时的速度是25米/分，用了40分钟爬到山顶．下山时只用了20分钟，下山时速度是多少？

Xiao Ming went from the bottom of the mountain to the top of the mountain and then went down the same way. The speed when going up the mountain is 25 meters per minute, and it took 40 minutes to climb to the top of the mountain. It only took 20 minutes to go down the mountain. What was the speed when going down the mountain?

<gadget id="calculator">40 / 20</gadget>
<output>2</output>
<gadget id="calculator">25 * 2</gadget>
<output>50</output>
<result>50</result>


修路队要修一条公路，已经修了全长的80%，这时距终点还有40千米．这条公路长多少千米？

The road construction team wants to build a road, and has already repaired 80% of the total length. At this time, there is still 40 kilometers to the end. How many kilometers is this road?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">40 / (1/5)</gadget>
<output>200</output>
<result>200</result>


某商场进行打折促销，一次性消费满100元可享9折优惠，超过100元部分享8折优惠，超过200元部分享5折优惠，张先生共消费420元，张先生所买东西的实际价格是多少钱？

A shopping mall has a discount promotion. A one-time consumption of 100 yuan or more can enjoy a 10% discount, a 20% discount for those who spend more than 100 yuan, and a 50% discount for those who spend more than 200 yuan. Mr. Zhang spent a total of 420 yuan. The actual value of what Mr. Zhang bought What is the price?

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">100 * (9/10)</gadget>
<output>90</output>
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">100 * (4/5)</gadget>
<output>80</output>
<gadget id="calculator">420 - 100 - 100</gadget>
<output>220</output>
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">220 * (1/2)</gadget>
<output>110</output>
<gadget id="calculator">90 + 80 + 110</gadget>
<output>280</output>
<result>280</result>


甲、乙两地相距480千米，一辆汽车以每小时120千米的速度从甲地出发，几小时后能到达乙地？(列出关系式，再计算)

The distance between A and B is 480 kilometers. If a car starts from A at a speed of 120 kilometers per hour, how many hours will it arrive at B? (List the relational formula, then calculate)

<gadget id="calculator">480 / 120</gadget>
<output>4</output>
<result>4</result>


甲、乙、丙三人进行百米赛跑，甲跑到终点，乙离终点还有20米，丙离终点有25米，当乙到终点时，丙还有多少米到终点．

A, B, and C are running a 100-meter race. When A reaches the finish line, B is 20 meters away from the finish line, and C is 25 meters away from the finish line. When B reaches the finish line, how many meters is C left to reach the finish line?

<gadget id="calculator">100 - 20</gadget>
<output>80</output>
<gadget id="calculator">100 - 25</gadget>
<output>75</output>
<gadget id="calculator">80 / 75</gadget>
<output>16/15 = around 1.066667</output>
<gadget id="calculator">1 / (16/15)</gadget>
<output>15/16 = around 0.9375</output>
<gadget id="calculator">100 * (15/16)</gadget>
<output>375/4 = around 93.75</output>
<gadget id="calculator">100 - (375/4)</gadget>
<output>25/4 = around 6.25</output>
<result>25/4 = around 6.25</result>


以小敏家为起点，他从家向东走了300m，又向西走了600m，这时小敏离家距离是多少m．

Starting from Xiao Min's home, he walked 300m eastward from his home, and then 600m westward, what is the distance in m from Xiaomin's home at this time?

<gadget id="calculator">600 - 300</gadget>
<output>300</output>
<result>300</result>


长方体的体积是36立方米，长是6米，宽是3米，高是多少米．

The volume of a cuboid is 36 cubic meters, the length is 6 meters, the width is 3 meters, and the height is in meters.

<gadget id="calculator">6 * 3</gadget>
<output>18</output>
<gadget id="calculator">36 / 18</gadget>
<output>2</output>
<result>2</result>


全民健身中心有一个长方形游泳池，长比宽长30米，如果把这个游泳池扩建成一个最小的正方形，面积就增加2100平方米，问原来游泳池的面积是多少平方米．

There is a rectangular swimming pool in the National Fitness Center. The length is 30 meters longer than the width. If the swimming pool is expanded into a smallest square, the area will increase by 2100 square meters. What is the original area of the swimming pool in square meters?

<gadget id="calculator">2_100 / 30</gadget>
<output>70</output>
<gadget id="calculator">70 - 30</gadget>
<output>40</output>
<gadget id="calculator">70 * 40</gadget>
<output>2_800</output>
<result>2_800</result>


一块布，第一次用去(3/4)米，第二次用去这块布的(3/4)，正好用完．这块布原来有多少米？

For a piece of cloth, (3/4) meters are used for the first time, and (3/4) of the cloth is used up for the second time, which is just used up. How many meters was the cloth originally?

<gadget id="calculator">3 / 4</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">(3/4) / (1/4)</gadget>
<output>3</output>
<result>3</result>


一个正方形的周长是24米，它的边长是多少分米．

The perimeter of a square is 24 meters, what is its side length in decimeters?

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


菜市场运来一批新鲜蔬菜，其中萝卜占25%，青菜占35%，已知青菜比萝卜多400千克，这批蔬菜共多少千克？

A batch of fresh vegetables is shipped from the vegetable market, among which radishes account for 25% and green vegetables account for 35%. It is known that green vegetables are 400 kg more than radishes. How many kg of vegetables are there in total?

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(7/20) - (1/4)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">400 / (1/10)</gadget>
<output>4_000</output>
<result>4_000</result>


小巧在做加法计算时，错把一个加数个位上的0看成了6，把十位上的2看成了5，这样得到的和是156，正确的答案是多少？

When Xiaoqiao was doing addition calculations, she mistook the 0 in the ones digit of an addend as a 6, and the 2 in the tens digit as a 5. The sum obtained in this way was 156. What is the correct answer?

<gadget id="calculator">156 - 56</gadget>
<output>100</output>
<gadget id="calculator">100 + 20</gadget>
<output>120</output>
<result>120</result>


5个草莓可以换2个桃子，3个桃子可以换1个柿子．2个柿子可以换多少个草莓．

5 strawberries can be exchanged for 2 peaches, and 3 peaches can be exchanged for 1 persimmon. How many strawberries can be exchanged for 2 persimmons?

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">3 * 2</gadget>
<output>6</output>
<gadget id="calculator">(5/2) * 6</gadget>
<output>15</output>
<result>15</result>


学校的大厅长18米，宽12米，高4米，现在要粉刷它的屋顶和四壁，除去门窗和黑板的面积30平方分米．如果每平方米用白石灰2千克，粉刷完这间大厅共需要白石灰多少千克？

The hall of the school is 18 meters long, 12 meters wide, and 4 meters high. Now its roof and walls need to be painted, and the area excluding doors, windows and blackboards is 30 square decimeters. If 2 kilograms of white lime is used per square meter, how many kilograms of white lime are needed to paint this hall?

<gadget id="calculator">18 * 12</gadget>
<output>216</output>
<gadget id="calculator">18 * 4 * 2</gadget>
<output>144</output>
<gadget id="calculator">12 * 4 * 2</gadget>
<output>96</output>
<gadget id="calculator">96 - 0.3</gadget>
<output>95.7</output>
<gadget id="calculator">216 + 144 + 95.7</gadget>
<output>455.7</output>
<gadget id="calculator">455.7 * 2</gadget>
<output>911.4</output>
<result>911.4</result>


一桶汽油，用同样的油瓶装，如果灌满6瓶，还剩这桶油的(4/5)，如果灌满5瓶，还剩75千克，这桶油共重多少千克？

A barrel of gasoline is packed in the same oil bottle. If 6 bottles are filled, there will be 4/5 of the oil left in the barrel. If 5 bottles are filled, there will be 75 kilograms left. How many kilograms does the barrel of oil weigh?

<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) / 6</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(1/30) * 5</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">75 / (5/6)</gadget>
<output>90</output>
<result>90</result>


用多少块棱长2厘米的正方体木块可堆成棱长是4分米的正方体．

How many cubes with sides of 2 cm can be used to form a cube with sides of 4 decimeters?

<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>
<gadget id="calculator">64_000 / 8</gadget>
<output>8_000</output>
<result>8_000</result>


粮店仓库有面粉305袋，大米袋数是面粉袋数的12倍．大米有多少袋？

There are 305 bags of flour in the warehouse of the grain store, and the number of rice bags is 12 times the number of flour bags. How many bags of rice are there?

<gadget id="calculator">305 * 12</gadget>
<output>3_660</output>
<result>3_660</result>


参观科技馆的成人人数是儿童人数的2倍，如果一共有456人参观，其中儿童有多少人？

The number of adults visiting the Science and Technology Museum is twice the number of children. If there are a total of 456 people visiting, how many of them are children?

<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">456 / 3</gadget>
<output>152</output>
<result>152</result>


早上8：50，一辆客车和一辆货车分别从宜宾和成都同时相对开出，客车每小时行90千米，货车每小时行60千米，两车在10：50相遇．宜宾到成都的路程是多少千米？

At 8:50 in the morning, a passenger car and a truck depart from Yibin and Chengdu at the same time. The bus travels 90 kilometers per hour, and the truck travels 60 kilometers per hour. The two vehicles meet at 10:50. How many kilometers is the distance from Yibin to Chengdu?

<gadget id="calculator">90 + 60</gadget>
<output>150</output>
<gadget id="calculator">150 * 2</gadget>
<output>300</output>
<result>300</result>


水果店运来125箱苹果，每箱20千克，卖出1600千克，还剩多少千克？

The fruit shop shipped 125 boxes of apples, each weighing 20 kilograms, and sold 1600 kilograms. How many kilograms are left?

<gadget id="calculator">125 * 20</gadget>
<output>2_500</output>
<gadget id="calculator">2_500 - 1_600</gadget>
<output>900</output>
<result>900</result>


果园里有32棵杨树，比梨树少(1/9)，梨树有多少棵？

There are 32 poplar trees in the orchard, which are less than pear trees (1/9), how many pear trees are there?

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>
<gadget id="calculator">1 - (1/9)</gadget>
<output>8/9 = around 0.888889</output>
<gadget id="calculator">32 / (8/9)</gadget>
<output>36</output>
<result>36</result>


正方形、等边三角形、半圆形的对称轴的条数分别为A、B、C，则A**2+BC=多少．

The number of symmetry axes of a square, an equilateral triangle, and a semicircle are A, B, and C respectively, then what is A**2+BC=?

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">3 * 1</gadget>
<output>3</output>
<gadget id="calculator">16 + 3</gadget>
<output>19</output>
<result>19</result>


2291减7个25，差是多少？

2291 minus 7 25, what is the difference?

<gadget id="calculator">25 * 7</gadget>
<output>175</output>
<gadget id="calculator">2_291 - 175</gadget>
<output>2_116</output>
<result>2_116</result>


一个长方体鱼缸长1.5米，宽0.8米，里面的水深4分米，把一些观赏石头放入这个鱼缸后，这时的水深6分米，这些石头的体积是多少？

A cuboid fish tank is 1.5 meters long, 0.8 meters wide, and the water depth inside is 4 decimeters. After putting some ornamental stones into the fish tank, the water depth at this time is 6 decimeters. What is the volume of these stones?

<gadget id="calculator">1.5 * 10</gadget>
<output>15</output>
<gadget id="calculator">0.8 * 10</gadget>
<output>8</output>
<gadget id="calculator">6 - 4</gadget>
<output>2</output>
<gadget id="calculator">15 * 8 * 2</gadget>
<output>240</output>
<result>240</result>


甲奶牛每天产奶14.8千克，乙奶牛每天比甲奶牛多产奶0.9千克．两头奶牛一天共产奶多少千克？

Cow A produces 14.8 kg of milk per day, and Cow B produces 0.9 kg more milk per day than Cow A. How many kilograms of milk will the two cows produce together in a day?

<gadget id="calculator">14.8 + 0.9</gadget>
<output>15.7</output>
<gadget id="calculator">14.8 + 15.7</gadget>
<output>30.5</output>
<result>30.5</result>


妈妈带100元去超市购物．她买了2袋大米，每袋30.6元．还买了0.8kg肉，每千克26.5元，还剩多少钱？

Mom brings 100 yuan to the supermarket for shopping. She bought 2 bags of rice at 30.6 yuan each. I also bought 0.8kg of meat at 26.5 yuan per kilogram, how much money is left?

<gadget id="calculator">30.6 * 2</gadget>
<output>61.2</output>
<gadget id="calculator">26.5 * 0.8</gadget>
<output>21.2</output>
<gadget id="calculator">61.2 + 21.2</gadget>
<output>82.4</output>
<gadget id="calculator">100 - 82.4</gadget>
<output>17.6</output>
<result>17.6</result>


希望小学五年级有学生120人，六年级有学生135人，这两个年级的人数占全校总人数的(3/7)，全校共有多少人？

Hope Primary School has 120 students in the fifth grade and 135 students in the sixth grade. These two grades account for 3/7 of the total number of students in the school. How many students are there in the whole school?

<gadget id="calculator">120 + 135</gadget>
<output>255</output>
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">255 / (3/7)</gadget>
<output>595</output>
<result>595</result>


新年快到了，希望小学四年级的同学们想折800只纸鹤送给灾区的小朋友，他们已经折好了420只，剩下的由19位同学完成，平均每位同学还要折多少只？

The New Year is coming, I hope that the students in the fourth grade of elementary school want to fold 800 paper cranes to give to the children in the disaster area. They have already folded 420, and the rest will be completed by 19 students. How many paper cranes does each student have to fold on average?

<gadget id="calculator">800 - 420</gadget>
<output>380</output>
<gadget id="calculator">380 / 19</gadget>
<output>20</output>
<result>20</result>


小明和小红共有邮票60张，如果小明给小红4张，那么两人的邮票张数相等，小明原来有多少张邮票？

Xiao Ming and Xiao Hong share 60 stamps. If Xiao Ming gives Xiao Hong 4 stamps, then the number of stamps for the two is equal. How many stamps did Xiao Ming originally have?

<gadget id="calculator">60 / 2</gadget>
<output>30</output>
<gadget id="calculator">30 + 4</gadget>
<output>34</output>
<result>34</result>


一件毛衣90元，大衣的价格是毛衣的3倍，买5件大衣要多少元元．

A sweater is 90 yuan, and the price of the coat is three times that of the sweater. How much is it to buy 5 coats?

<gadget id="calculator">90 * 3 * 5</gadget>
<output>1_350</output>
<result>1_350</result>


我们班参加音乐兴趣小组的26人，参加美术兴趣小组的有28人，其中8人两组都参加，参加这两个兴趣小组的一共有多少人？

There are 26 people in our class who participated in the music interest group and 28 people who participated in the art interest group, 8 of whom participated in both groups. How many people participated in these two interest groups?

<gadget id="calculator">28 - 8</gadget>
<output>20</output>
<gadget id="calculator">26 + 20</gadget>
<output>46</output>
<result>46</result>


一个长方形运动场的面积是960平方米，这个运动场的宽是24米，长是多少米？(列方程解)

The area of a rectangular sports field is 960 square meters. The width of this sports field is 24 meters. What is the length in meters? (Solution of column equation)

<gadget id="calculator">960 / 24</gadget>
<output>40</output>
<result>40</result>


修一条路，每天修45米，修了4天，还剩下25%没有修，这条路共长多少米？

A road is built, 45 meters per day, after 4 days, 25% of the road remains unrepaired, how many meters is the total length of this road?

<gadget id="calculator">45 * 4</gadget>
<output>180</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">180 / (3/4)</gadget>
<output>240</output>
<result>240</result>


小丁丁到商店买衣服，他选中的一件衣服原价430元，这时商场进行买一送一活动(原价购买一件则赠送另一件较便宜的)，所以小丁丁又挑了一条320的裤子，而第二个月，该商店采用满199减99的优惠办法．小丁丁选择哪种方法比较合算？两种购买方法相差多少钱？

Xiao Ding Ding went to the store to buy clothes. The original price of a piece of clothing he chose was 430 yuan. At this time, the mall was carrying out a buy-one-get-one-free campaign (buy one at the original price and get another cheaper one for free), so Xiao Ding Ding picked another 320. Pants, and in the second month, the store adopts a preferential method of 99 minus 199. Which method is more cost-effective for Xiao Ding Ding to choose? How much is the difference between the two purchase methods?

<gadget id="calculator">320 + 99</gadget>
<output>419</output>
<result>419</result>


<gadget id="calculator">456 * 987</gadget>
<output>450_072</output>
<gadget id="calculator">0 / 450_072</gadget>
<output>0</output>
<gadget id="calculator">0 + 24</gadget>
<output>24</output>
<result>24</result>


把0.08的小数点先向左移动一位，又向右移动三位，得多少

Move the decimal point of 0.08 one place to the left and then three places to the right, how much is it

<gadget id="calculator">0.08 * 100</gadget>
<output>8</output>
<result>8</result>


李叔叔四月份的工资为2500元，因为工作出色，五月份的工资比四月份增加了30%，李叔叔五月份拿到了多少工资？

Uncle Li’s salary in April was 2,500 yuan. Because of his excellent work, his salary in May increased by 30% compared to April. How much salary did Uncle Li get in May?

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>
<gadget id="calculator">2_500 * (13/10)</gadget>
<output>3_250</output>
<result>3_250</result>


环环保部门治理一条污水河，一期投入150万，二期投入占总投入的30%，再投入200万元就可以治理完，环保部门共投入多少万元？

The environmental protection department invested 1.5 million yuan in the first phase of treating a sewage river, and the second phase accounted for 30% of the total investment. Another 2 million yuan was invested to complete the treatment. How much yuan did the environmental protection department invest in total?

<gadget id="calculator">150 + 200</gadget>
<output>350</output>
<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">350 / (7/10)</gadget>
<output>500</output>
<result>500</result>


把两个完全一样的长方体拼成一个大长方体，用三种不同的方法拼，表面积分别减少40平方厘米、30平方厘米、24平方厘米，原来每个小长方体的表面积是多少平方厘米．

Put two identical cuboids together to form a big cuboid, and use three different methods to put together, the surface area is reduced by 40 square centimeters, 30 square centimeters, and 24 square centimeters respectively. What is the surface area of each small cuboid in square centimeters?

<gadget id="calculator">40 + 30 + 24</gadget>
<output>94</output>
<result>94</result>


某小学三、四年级学生举行一周收废纸活动，三年级有35人，共收废纸420千克，四年级有45人，平均每人收集14千克，三、四年级一周共收废纸多少千克？

The third and fourth grade students of a certain elementary school held a weekly waste paper collection activity. There were 35 students in the third grade, and a total of 420 kg of waste paper was collected. There were 45 students in the fourth grade, with an average of 14 kg per person. How much waste paper was collected in the third and fourth grades in a week? kilogram?

<gadget id="calculator">45 * 14</gadget>
<output>630</output>
<gadget id="calculator">420 + 630</gadget>
<output>1_050</output>
<result>1_050</result>


小明有5元、2元、1元的人民币各一张，如果从中任取2张，可以得到多少种不同的币值．

Xiao Ming has 5 yuan, 2 yuan, and 1 yuan each. If he takes 2 of them, how many different currency values can he get?

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


20个小朋友站成一排．从左往右数，杨涛排第3，从右往左数，钱辉排第4，杨涛和钱辉之间一共有多少人．

20 children stand in a row. Counting from left to right, Yang Tao ranks third, and counting from right to left, Qian Hui ranks fourth. How many people are there between Yang Tao and Qian Hui?

<gadget id="calculator">20 - 3 - 4</gadget>
<output>13</output>
<result>13</result>


<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>
<result>19/20 = around 0.95</result>


从19点到21点，时针旋转了多少度

From 19 o'clock to 21 o'clock, how many degrees does the hour hand rotate

<gadget id="calculator">360 / 12</gadget>
<output>30</output>
<gadget id="calculator">2 * 30</gadget>
<output>60</output>
<result>60</result>


小聪家的客厅需要铺方砖进行装修．原计划用边长4分米的方砖铺，需要250砖；实际改用边长为5分米方砖铺，实际铺完需要多少块砖？(列比例解答)

The living room of Xiao Cong's house needs to be decorated with square bricks. The original plan was to pave with square bricks with a side length of 4 decimeters, and 250 bricks were needed; the actual paving was changed to square bricks with a side length of 5 decimeters, how many bricks are actually needed for paving? (column ratio solution)

<gadget id="calculator">4 * 4 * 250</gadget>
<output>4_000</output>
<gadget id="calculator">5 * 5</gadget>
<output>25</output>
<gadget id="calculator">4_000 / 25</gadget>
<output>160</output>
<result>160</result>


学校运来(3/4)吨煤，用去(1/4)吨后，又用去余下的(1/3)，又用去多少吨？

The school transported (3/4) tons of coal, used (1/4) tons, and then used the remaining (1/3), how many tons were used?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(3/4) - (1/4)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/2) * (1/3)</gadget>
<output>1/6 = around 0.166667</output>
<result>1/6 = around 0.166667</result>


小敏做了一把扇子，打开后最大张角为90°，其中画纸部分宽度为20厘米，空白部分宽度为40厘米，求糊这把扇子至少要用多少面积的纸？不考虑重叠粘贴部分．

Xiao Min made a fan, the maximum opening angle is 90° after opening, the width of the drawing paper part is 20 cm, and the width of the blank part is 40 cm, what is the minimum area of paper needed to paste this fan? Overlapping pasted parts are not considered.

<gadget id="calculator">20 + 40</gadget>
<output>60</output>
<gadget id="calculator">60 ** 2</gadget>
<output>3_600</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">3.14 * 3_600 * (1/4)</gadget>
<output>2_826</output>
<gadget id="calculator">40 ** 2</gadget>
<output>1_600</output>
<gadget id="calculator">3.14 * 1_600 * (1/4)</gadget>
<output>1_256</output>
<gadget id="calculator">2_826 - 1_256</gadget>
<output>1_570</output>
<result>1_570</result>


男生与女生的比是4：5，男生比女生少多少

The ratio of boys to girls is 4:5, how much less boys than girls

<gadget id="calculator">5 - 4</gadget>
<output>1</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


小明看一本书，第一天看了全书的(1/7)，第二天看的是第一天的(2/3)，第二天看了全书的((())/(()))．

Xiao Ming reads a book, he reads (1/7) of the whole book on the first day, (2/3) on the second day, and reads ((())/(( ))).

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(1/7) * (2/3)</gadget>
<output>2/21 = around 0.095238</output>
<result>2/21 = around 0.095238</result>


学校组织同学们参观科技展览，高年级去了250人，比中年级去的人数的2倍少70人，中年级去了多少学生？

The school organizes students to visit the science and technology exhibition. There are 250 senior students, which is 70 people less than twice the number of middle grade students. How many middle grade students went there?

<gadget id="calculator">250 + 70</gadget>
<output>320</output>
<gadget id="calculator">320 / 2</gadget>
<output>160</output>
<result>160</result>


小红看一本故事书，第一天看全书的20%，第二天看全书的(1/4)，看了两天后还有220页，这本书有多少页？

Xiaohong reads a story book, reads 20% of the whole book on the first day, and reads 1/4 of the whole book on the second day. After two days of reading, there are still 220 pages. How many pages does this book have?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/5) - (1/4)</gadget>
<output>11/20 = around 0.55</output>
<gadget id="calculator">220 / (11/20)</gadget>
<output>400</output>
<result>400</result>


向阳化肥厂九月份生产化肥4400吨，十月份比九月份增产(5/22)，十月份生产化肥多少吨？

Xiangyang Chemical Fertilizer Factory produced 4,400 tons of fertilizer in September, and the production in October was higher than that in September (5/22). How many tons of fertilizer was produced in October?

<gadget id="calculator">5 / 22</gadget>
<output>5/22 = around 0.227273</output>
<gadget id="calculator">1 + (5/22)</gadget>
<output>27/22 = around 1.227273</output>
<gadget id="calculator">4_400 * (27/22)</gadget>
<output>5_400</output>
<result>5_400</result>


工厂要加工4500个零件，计划用15天完成，由于增加了一些工人，实际每天比计划多加工150个，工厂完成这项任务实际用了多少天？

The factory needs to process 4,500 parts, and it is planned to complete it in 15 days. Due to the addition of some workers, it actually processes 150 more parts per day than planned. How many days did it actually take the factory to complete this task?

<gadget id="calculator">4_500 / 15</gadget>
<output>300</output>
<gadget id="calculator">300 + 150</gadget>
<output>450</output>
<gadget id="calculator">4_500 / 450</gadget>
<output>10</output>
<result>10</result>


参加科技馆的成人人数是儿童人数的2倍，一共有456人参观，参观人数中，成人人数比儿童人数多多少人？

The number of adults participating in the Science and Technology Museum is twice the number of children. There are a total of 456 people visiting. Among the number of visitors, how many people are more adults than children?

<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">456 / 3</gadget>
<output>152</output>
<gadget id="calculator">152 * 2</gadget>
<output>304</output>
<gadget id="calculator">304 - 152</gadget>
<output>152</output>
<result>152</result>


一本故事书有48页，每页有25行，每行有24个字，这本书共有多少个字？

story book has 48 pages, each page has 25 lines, and each line has 24 characters. How many characters are there in this book?

<gadget id="calculator">24 * 25 * 48</gadget>
<output>28_800</output>
<result>28_800</result>


出租车起步费12元行驶3千米，以后每千米费用为2元，从学校到图书馆有18千米，乘出租车一共需要多少元？

The starting fee for a taxi is 12 yuan for 3 kilometers, and the fee for each subsequent kilometer is 2 yuan. It is 18 kilometers from the school to the library. How much is the total cost of taking a taxi?

<gadget id="calculator">18 - 3</gadget>
<output>15</output>
<gadget id="calculator">15 * 2</gadget>
<output>30</output>
<gadget id="calculator">30 + 12</gadget>
<output>42</output>
<result>42</result>


某路灯安装队，负责一段全长3.5千米公路的路灯安装，计划每天安装20盏，15天完成任务．由于提高了工作效率，结果只用10天就完成了任务．实际每天比原计划多安装多少盏？

A street lamp installation team is responsible for the installation of street lamps on a road with a total length of 3.5 kilometers. It plans to install 20 lamps per day and complete the task in 15 days. Due to the improvement of work efficiency, the task was completed in only 10 days. How many more lamps are actually installed per day than originally planned?

<gadget id="calculator">15 / 10</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">20 * (3/2)</gadget>
<output>30</output>
<gadget id="calculator">30 - 20</gadget>
<output>10</output>
<result>10</result>


求从1～2000的自然数中，所有偶数之和与所有奇数之和的差．

Find the difference between the sum of all even numbers and the sum of all odd numbers among the natural numbers from 1 to 2000.

<gadget id="calculator">2_000 - 1_999</gadget>
<output>1</output>
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>
<result>1_000</result>


两个因数的积是10.8，其中一个因数是0.9，另一个因数是多少．

The product of two factors is 10.8, one of which is 0.9, and what is the other.

<gadget id="calculator">10.8 / 0.9</gadget>
<output>12</output>
<result>12</result>


清明前，四年级1班的同学决定自己做小白花去祭扫烈士墓，他们分成6个小组，每小组9人，共做了864朵小白花，平均每位同学做了多少朵小白花？

Before the Qingming Festival, the students in Class 1 of the fourth grade decided to make small white flowers by themselves to visit the tomb of the martyrs. They were divided into 6 groups with 9 people in each group and made a total of 864 small white flowers. How many small white flowers did each student make on average?

<gadget id="calculator">864 / 6 / 9</gadget>
<output>16</output>
<result>16</result>


张爷爷将3000元存入银行，定期两年，年利率4.68%，按规定缴纳5%的利税，到期时张爷爷能得到多少元钱．

Grandpa Zhang deposited 3,000 yuan in the bank for two years, with an annual interest rate of 4.68%, and paid a 5% profit tax according to the regulations. How much money would Grandpa Zhang get when it expires?

<gadget id="calculator">4.68 / 100</gadget>
<output>0.0468</output>
<gadget id="calculator">3_000 * 0.0468 * 2</gadget>
<output>280.8</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>
<gadget id="calculator">280.8 * (19/20)</gadget>
<output>266.76</output>
<gadget id="calculator">3_000 + 266.76</gadget>
<output>3_266.76</output>
<result>3_266.76</result>


某次数学测试后，学校安排8位教师批阅六年级数学试卷，在一定时间内每个教师的批阅量相同，由于有3位教师有事请假．为了确保原来每天的阅卷量，现在每个教师的批阅量要提高多少．

After a certain math test, the school arranged for 8 teachers to review the sixth grade math test papers. Within a certain period of time, each teacher had the same number of marks, because 3 teachers asked for leave for something. In order to ensure the original daily marking volume, how much should the marking volume of each teacher be increased now?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">(1/5) - (1/8)</gadget>
<output>3/40 = around 0.075</output>
<gadget id="calculator">(3/40) / (1/8)</gadget>
<output>3/5 = around 0.6</output>
<result>3/5 = around 0.6</result>


聪聪把一块棱长是1dm的正方体木块切成棱长是1cm的小正方体，然后准备把它们排成一行，这一行会有多少长．

Cong Cong cut a cube with a side length of 1dm into small cubes with a side length of 1cm, and then prepared to arrange them in a row. How long will this row be?

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 * 1 * 10 * 1 * 10 * 1 * (1/10)</gadget>
<output>10</output>
<result>10</result>


把2m长的木料锯成相同的6段后，表面积比原来增加了135cm**2，这块木料原来的体积是多少立方厘米？

After sawing a 2m long piece of wood into 6 identical sections, the surface area increases by 135cm**2 compared to the original one. What is the original volume of this piece of wood in cubic centimeters?

<gadget id="calculator">135 / 10</gadget>
<output>27/2 = around 13.5</output>
<gadget id="calculator">100 / 10</gadget>
<output>10</output>
<gadget id="calculator">(27/2) * 2 * 10</gadget>
<output>270</output>
<result>270</result>


某厂有男工280人，是女工的40%，全厂有职工多少人？

There are 280 male workers in a certain factory, which is 40% of the female workers. How many employees are there in the whole factory?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">280 / (2/5)</gadget>
<output>700</output>
<gadget id="calculator">700 + 280</gadget>
<output>980</output>
<result>980</result>


一个等边三角形的周长是48分米，它的边长是多少？

The perimeter of an equilateral triangle is 48 decimeters, what is its side length?

<gadget id="calculator">48 / 3</gadget>
<output>16</output>
<result>16</result>


要使(24/30)这个分数与(9/10)相等，那么分子要加上多少．

To make the fraction (24/30) equal to (9/10), how much should be added to the numerator.

<gadget id="calculator">9 * 3</gadget>
<output>27</output>
<gadget id="calculator">27 - 24</gadget>
<output>3</output>
<result>3</result>


用铁丝围成一个长是8分米，宽是4分米的长方形框架，至少要用多长的铁丝？

Use iron wire to form a rectangular frame with a length of 8 decimeters and a width of 4 decimeters. What is the minimum length of iron wire?

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


晨晨和李亮两个人的邮票枚数的比是3：4，如果晨晨再收集9枚，那么他们的邮票枚数就相等，两人原来共有邮票多少枚．

The ratio of the number of stamps between Chenchen and Li Liang is 3:4. If Chenchen collects 9 more stamps, then their number of stamps will be equal. How many stamps do they have in common?

<gadget id="calculator">1 + 1</gadget>
<output>2</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">3 + 4</gadget>
<output>7</output>
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">(1/2) - (3/7)</gadget>
<output>1/14 = around 0.071429</output>
<gadget id="calculator">9 / (1/14)</gadget>
<output>126</output>
<gadget id="calculator">126 - 9</gadget>
<output>117</output>
<result>117</result>


等腰三角形一边长为6cm，一边长15cm，它的周长是多少cm．

One side of an isosceles triangle is 6 cm long and the other side is 15 cm long. What is its perimeter in cm?

<gadget id="calculator">15 + 15 + 6</gadget>
<output>36</output>
<result>36</result>


一个长方体，长4cm，宽3.5cm，高1.5cm．它的占地面积是多少．

A cuboid is 4cm long, 3.5cm wide, and 1.5cm high. What is its area.

<gadget id="calculator">4 * 3.5</gadget>
<output>14</output>
<result>14</result>


一个三角形的底是16厘米，高是(7/8)厘米，三角形的面积是多少平方厘米．

If the base of a triangle is 16 cm and the height is (7/8) cm, what is the area of the triangle in square centimeters?

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>
<gadget id="calculator">(7/8) / 2</gadget>
<output>7/16 = around 0.4375</output>
<gadget id="calculator">16 * (7/16)</gadget>
<output>7</output>
<result>7</result>


Simplify as much as possible (116690151/427863887).


把三个棱长是1分米的小正方体拼成一个长方体，这个长方体的表面积是多少平方分米．

If three small cubes with side lengths of 1 decimeter are put together to form a cuboid, what is the surface area of the cuboid?

<gadget id="calculator">3 * 1</gadget>
<output>3</output>
<gadget id="calculator">1 * 1</gadget>
<output>1</output>
<gadget id="calculator">3 + 3 + 1</gadget>
<output>7</output>
<gadget id="calculator">7 * 2</gadget>
<output>14</output>
<result>14</result>


一根圆柱形水管，内直径是20厘米，水在管内每秒流动40厘米，每秒流过的水有多少立方厘米．

A cylindrical water pipe has an inner diameter of 20 cm, and water flows through the pipe at 40 cm per second, how many cubic centimeters of water flow per second.

<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>
<gadget id="calculator">3.14 * 100 * 40</gadget>
<output>12_560</output>
<result>12_560</result>


小明用了16分钟完成了计划20分钟的工作，他所用工作时间比计划少用了((())/(()))．

It took Xiao Ming 16 minutes to complete the planned 20 minutes of work, and the working time he used was less than the plan ((())/(())).

<gadget id="calculator">20 - 16</gadget>
<output>4</output>
<gadget id="calculator">4 / 20</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


修建房子运来一批水泥，上午用去(7/8)吨，下午用去(1/2)吨，还剩(5/6)吨．共运来多少吨？

batch of cement was shipped to build a house, (7/8) tons were used in the morning, (1/2) tons were used in the afternoon, and (5/6) tons remained. How many tons were shipped in total?

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">(7/8) + (1/2) + (5/6)</gadget>
<output>53/24 = around 2.208333</output>
<result>53/24 = around 2.208333</result>


a/24=121…b，要使余数最大，被除数应该等于多少．

a/24=121...b, to make the remainder the largest, what should the dividend be equal to.

<gadget id="calculator">121 * 24</gadget>
<output>2_904</output>
<gadget id="calculator">2_904 + 23</gadget>
<output>2_927</output>
<result>2_927</result>


一个梯形上底与下底的和是15厘米，高是4.8厘米，这个梯形的面积是多少．

The sum of the upper and lower bases of a trapezoid is 15 cm, and the height is 4.8 cm. What is the area of the trapezoid?

<gadget id="calculator">4.8 / 2</gadget>
<output>2.4</output>
<gadget id="calculator">15 * 2.4</gadget>
<output>36</output>
<result>36</result>


<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>
<gadget id="calculator">40 / (1/50)</gadget>
<output>2_000</output>
<result>2_000</result>


一个最简真分数，分子与分母的积是14，和是9，这个最简真分数是多少

What is the simplest true fraction, the product of the numerator and the denominator is 14, and the sum is 9?

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


绿化广场上的时钟，每当整点的时候都会敲响，几点就敲几下．五点的时候共用时20秒，十二时的时候，敲钟共要用时多少秒？

The clock on the green square will ring whenever the hour is on, and it will ring a few times. It takes 20 seconds at five o'clock, and how many seconds does it take to ring the bell at twelve o'clock?

<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">20 / 4</gadget>
<output>5</output>
<gadget id="calculator">12 - 1</gadget>
<output>11</output>
<gadget id="calculator">5 * 11</gadget>
<output>55</output>
<result>55</result>


一个圆形水池，它的周长是37.68米，它的直径是多少米？(用方程解)

A circular pool has a circumference of 37.68 meters, what is its diameter in meters? (solution by equation)

<gadget id="calculator">37.68 / 3.14</gadget>
<output>12</output>
<result>12</result>


五个比0大的数它们两两的乘积是1，80，35，1.4，50，56，1.6，2，40，70这十个值，问这五个数中最大数是最小数的多少倍？

The product of five numbers greater than 0 is 1, 80, 35, 1.4, 50, 56, 1.6, 2, 40, 70. What is the smallest number of the largest number among these five numbers? times?

<gadget id="calculator">70 / 1.4</gadget>
<output>50</output>
<result>50</result>


妈妈今年40岁，恰好是小明年龄的4倍，多少年后妈妈的年龄是小明的2倍．

My mother is 40 years old this year, which happens to be four times Xiao Ming's age. How many years later, my mother's age is twice Xiao Ming's.

<gadget id="calculator">40 / 4</gadget>
<output>10</output>
<gadget id="calculator">40 - 10</gadget>
<output>30</output>
<gadget id="calculator">30 * 2</gadget>
<output>60</output>
<gadget id="calculator">60 - 40</gadget>
<output>20</output>
<result>20</result>


货场有一批煤要用火车运走，火车每节车厢装58吨，装满32节车厢后还剩86吨，货场原有煤多少吨？

There is a batch of coal in the freight yard that needs to be transported by train. Each train car is loaded with 58 tons. After filling 32 cars, there are still 86 tons left. How many tons of coal are there in the freight yard?

<gadget id="calculator">58 * 32</gadget>
<output>1_856</output>
<gadget id="calculator">1_856 + 86</gadget>
<output>1_942</output>
<result>1_942</result>


把一个大长方体木块表面上涂满红色后，分割成若干个同样大小的小长方体，其中只有两个面是红色的小长方体恰好是12块，那么至少要把这个大长方体分割成多少个小长方体．

After painting the surface of a large cuboid with red, divide it into several small cuboids of the same size, and there are exactly 12 small cuboids with only two sides of red, so at least how many small cuboids should this large cuboid be divided into cuboid.

<gadget id="calculator">12 / 4</gadget>
<output>3</output>
<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">5 * 2 * 2</gadget>
<output>20</output>
<result>20</result>


警员小王查获15包盗版影碟，每包有6捆，每捆有8张，共查获多少张光碟？

Police officer Xiao Wang seized 15 packages of pirated video discs, each with 6 bundles and each bundle with 8 discs. How many discs were seized in total?

<gadget id="calculator">6 * 15 * 8</gadget>
<output>720</output>
<result>720</result>


张老师2003年1月15日把10000元存入银行，2008年1月15日到期，张老师可以得到利息多少元？(2004年10月28日中国人民银行公布的整存整取一年期的年利率2.25%，二年期的年利率2.7%，三年期的年利率3.24%，五年期的年利率3.6%)

Teacher Zhang deposited 10,000 yuan in the bank on January 15, 2003, and it expires on January 15, 2008. How much interest can Teacher Zhang get? (On October 28, 2004, the People's Bank of China announced that the one-year annual interest rate of lump sum withdrawal is 2.25%, the two-year annual interest rate is 2.7%, the three-year annual interest rate is 3.24%, and the five-year annual interest rate is 3.6% %)

<gadget id="calculator">3.6 / 100</gadget>
<output>0.036</output>
<gadget id="calculator">10_000 * 0.036 * 5</gadget>
<output>1_800</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">10_000 * 0.036 * 5 * (1/5)</gadget>
<output>360</output>
<gadget id="calculator">1_800 - 360</gadget>
<output>1_440</output>
<result>1_440</result>


某学校同学们做操，把学生分为10人一组，14人一组，18人一组，都恰好分完，这个学校至少有多少个学生？

Students in a certain school are doing exercises, and the students are divided into groups of 10, 14, and 18, and they are all divided exactly. How many students are there at least in this school?

<gadget id="calculator">2 * 5 * 7 * 9</gadget>
<output>630</output>
<result>630</result>


王阿姨养鸡24只，养鸭的只数是鸡的4倍，王阿姨的饲养场一共养了多少只鸭？

Aunt Wang raised 24 chickens and four times as many ducks as chickens. How many ducks did Aunt Wang raise in total?

<gadget id="calculator">24 * 4</gadget>
<output>96</output>
<result>96</result>


猜数字游戏中，小明写出如下一组数：(2/5)，(4/7)，(8/11)，(16/19)，(32/35)，…，小亮想猜出第六个数是多少．

In the number guessing game, Xiao Ming writes the following set of numbers: (2/5), (4/7), (8/11), (16/19), (32/35), ..., Xiao Ming wants to guess What is the sixth number.

<gadget id="calculator">32 * 2</gadget>
<output>64</output>
<gadget id="calculator">32 + 35</gadget>
<output>67</output>
<gadget id="calculator">64 / 67</gadget>
<output>64/67 = around 0.955224</output>
<result>64/67 = around 0.955224</result>


自然数16520，14903，14177除以m的余数相同，则m的最大值为多少．

If the natural numbers 16520, 14903, and 14177 have the same remainder when divided by m, what is the maximum value of m?

<gadget id="calculator">3 * 11</gadget>
<output>33</output>
<result>33</result>


由于日本政府"购买"钓鱼岛而引发中国民众自发的"抵制日货"行动，导致日系车销售"遇冷"．一款日系车原价12万元，现在降价(1/6)出售，这款车现在的售价是多少万元？

As the Japanese government "purchased" the Diaoyu Islands, the Chinese people spontaneously "boycotted Japanese goods" and caused the sales of Japanese cars to "cold". The original price of a Japanese car is 120,000 yuan, but now it is sold at a reduced price (1/6). How much is the current price of this car?

<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">12 * (5/6)</gadget>
<output>10</output>
<result>10</result>


加工一批零件，甲、乙两人合作需24天完成．现甲、乙两人同时工作4天后，乙单独工作2天，共完成这批零件的(1/5)．已知甲每天比乙多加工4件．问这批零件共有多少个，甲单独完成剩下的任务还需几天？

It takes 24 days for A and B to complete the processing of a batch of parts. Now A and B work at the same time for 4 days, and B works alone for 2 days to complete (1/5) of this batch of parts. It is known that A processes 4 more pieces than B every day. How many parts are there in this batch? How many days will it take for A to complete the remaining tasks alone?

<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/24) * 4</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/5) - (1/6)</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(1/30) / 2</gadget>
<output>1/60 = around 0.016667</output>
<gadget id="calculator">(1/24) - (1/60) - (1/60)</gadget>
<output>1/120 = around 0.008333</output>
<gadget id="calculator">4 / (1/120)</gadget>
<output>480</output>
<result>480</result>


把(3/8)的分子加6，要使分数值不变，分母应加多少

Add 6 to the numerator of (3/8), how much should be added to the denominator to keep the fraction value unchanged

<gadget id="calculator">8 * 3</gadget>
<output>24</output>
<gadget id="calculator">24 - 8</gadget>
<output>16</output>
<result>16</result>


书店进了195本练习册，卖了2天还剩75本．平均每天卖多少本？

The bookstore bought 195 exercise books, and 75 were left after selling for 2 days. How many copies are sold per day on average?

<gadget id="calculator">195 - 75</gadget>
<output>120</output>
<gadget id="calculator">120 / 2</gadget>
<output>60</output>
<result>60</result>


一批货物，第一次运走总数的(2/5)，第二次运走总数的(1/3)，两次一共运走了总数的几分之几？

For a batch of goods, (2/5) of the total amount was transported for the first time, and (1/3) of the total amount was transported for the second time, what fraction of the total amount was transported for the two times?

<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>11/15 = around 0.733333</output>
<result>11/15 = around 0.733333</result>


有(9/10)吨煤，每次运走它的(1/10)，多少次才能运完．

There are (9/10) tons of coal, and how many times it takes to transport (1/10) of it away each time.

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


在一块长20米，宽16米的田地上种棉花，平均每平方米种棉花8株，这块地共可以种多少株棉花？

On a field with a length of 20 meters and a width of 16 meters, there are 8 cotton plants per square meter. How many cotton plants can be planted in this field?

<gadget id="calculator">20 * 16 * 8</gadget>
<output>2_560</output>
<result>2_560</result>


一辆汽车从甲地开往乙地，第一小时行了全程的(1/7)，第二小时比第一小时多行了16千米，这时距离中点还有17千米．甲乙两地间的公路长多少千米？

A car drives from place A to place B. It travels the full distance (1/7) in the first hour, and travels 16 kilometers more in the second hour than in the first hour. At this time, it is still 17 kilometers away from the midpoint. How many kilometers is the road between A and B?

<gadget id="calculator">16 + 17</gadget>
<output>33</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<gadget id="calculator">(1/2) - (1/7) - (1/7)</gadget>
<output>3/14 = around 0.214286</output>
<gadget id="calculator">33 / (3/14)</gadget>
<output>154</output>
<result>154</result>


张老师给少年活动室买了5副跳棋，每副1元8角5分，还剩7角5分，张老师原来有多少钱？

Teacher Zhang bought 5 sets of checkers for the youth activity room, each set was 1 yuan 8.5 cents, and there was 70.5 cents left. How much money did Teacher Zhang have?

<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">1 + (4/5) + (1/20)</gadget>
<output>37/20 = around 1.85</output>
<gadget id="calculator">(37/20) * 5</gadget>
<output>37/4 = around 9.25</output>
<gadget id="calculator">(37/4) + 0.75</gadget>
<output>10</output>
<result>10</result>


某数的(8/9)是(3/5)，这个数是多少

(8/9) of a certain number is (3/5), what is this number

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>
<gadget id="calculator">(3/5) / (8/9)</gadget>
<output>27/40 = around 0.675</output>
<result>27/40 = around 0.675</result>


一条人行道长20m，宽1.5m．如果要在这条人行道上铺上一种上底10cm，下底20cm，高5cm的梯形砖，需要多少块这样的砖？

A sidewalk is 20m long and 1.5m wide. If you want to lay a trapezoidal brick with an upper base of 10 cm, a lower base of 20 cm, and a height of 5 cm on this sidewalk, how many such bricks are needed?

<gadget id="calculator">10 + 20</gadget>
<output>30</output>
<gadget id="calculator">5 / 2 / 10_000</gadget>
<output>1/4_000 = around 0.00025</output>
<gadget id="calculator">30 * (1/4_000)</gadget>
<output>3/400 = around 0.0075</output>
<gadget id="calculator">1.5 / (3/400)</gadget>
<output>200</output>
<gadget id="calculator">20 * 200</gadget>
<output>4_000</output>
<result>4_000</result>


一项任务，师徒合作2天完成了全部任务的(1/5)，接着师傅因故停工3天，后继续与徒弟合作，已知师、徒二人工作效率的比是2：1，完成这一任务前后一共用了多少天？

For a task, the master and apprentice completed 1/5 of the entire task in 2 days, and then the master stopped working for 3 days for some reason, and then continued to cooperate with the apprentice. It is known that the ratio of work efficiency between the master and the apprentice is 2:1. How many days did it take to complete this task?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/5) / 2</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/10) * (1/3) * 3</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 - (1/5) - (1/10)</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">(7/10) / (1/10)</gadget>
<output>7</output>
<gadget id="calculator">7 + 2 + 3</gadget>
<output>12</output>
<result>12</result>


某商场购进一批服装共50套，每件上衣32元，每条裤子28元．这批服装一共需要多少钱？

A shopping mall purchased a batch of 50 sets of clothing, each jacket was 32 yuan, and each pair of trousers was 28 yuan. How much does this batch of clothes cost?

<gadget id="calculator">32 + 28</gadget>
<output>60</output>
<gadget id="calculator">60 * 50</gadget>
<output>3_000</output>
<result>3_000</result>


According to 62*16=992, write the number in the brackets below: 620*(how much)=99200.

<gadget id="calculator">62 * 16</gadget>
<output>992</output>
<gadget id="calculator">99_200 / 992</gadget>
<output>100</output>
<gadget id="calculator">16 * 100</gadget>
<output>1_600</output>
<result>1_600</result>


一个圆柱形容器，从里面量底面直径是8厘米，高6厘米，在它里面装满水，然后把一个长10厘米的圆柱铁棒竖直插入水中并且它的底面和圆柱形容器底面接触，这时有一部分水溢出．当把这个铁棒取出后，水的深度只有3厘米，求这个圆柱形铁棒的体积是多少？

A cylindrical container, the diameter of the bottom surface measured from the inside is 8 cm, and the height is 6 cm. It is filled with water, and then a cylindrical iron rod with a length of 10 cm is vertically inserted into the water and its bottom surface is in contact with the bottom surface of the cylindrical container. At this time, some water overflowed. When the iron rod is taken out, the depth of the water is only 3 cm. What is the volume of this cylindrical iron rod?

<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">6 - 3</gadget>
<output>3</output>
<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">3.14 * 16 * (1/2) * 10</gadget>
<output>251.2</output>
<result>251.2</result>


修路队要修一条路，已修了全长的(3/8)，还剩750米未修，这段公路长多少米？

The road construction team wants to build a road, and it has built the full length (3/8), and there are 750 meters left to be repaired. How long is this road in meters?

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">750 / (5/8)</gadget>
<output>1_200</output>
<result>1_200</result>


按规律填数：1、4、7、10、多少、16、19．

Fill in the numbers according to the law: 1, 4, 7, 10, how much, 16, 19.

<gadget id="calculator">10 + 3</gadget>
<output>13</output>
<result>13</result>


有一个400米的运动场，共有4条环形跑道，每条道宽1.25米，现在要进行200米的赛跑，需确定起跑线，问第一道起跑线与第二道起跑线相差多少米？

There is a 400-meter sports field. There are 4 circular tracks, each of which is 1.25 meters wide. Now, for a 200-meter race, the starting line needs to be determined. How many meters is the difference between the first starting line and the second starting line?

<gadget id="calculator">3.14 / 2</gadget>
<output>1.57</output>
<gadget id="calculator">1.25 * 2 * 1.57</gadget>
<output>3.925</output>
<result>3.925</result>


在半径为6米的圆形花坛的周围，沿着花坛修了一条宽1米的小路，求小路的面积．

A path with a width of 1 meter is built around a circular flower bed with a radius of 6 meters. Find the area of the path.

<gadget id="calculator">6 + 1</gadget>
<output>7</output>
<gadget id="calculator">7 ** 2</gadget>
<output>49</output>
<gadget id="calculator">6 ** 2</gadget>
<output>36</output>
<gadget id="calculator">49 - 36</gadget>
<output>13</output>
<gadget id="calculator">3.14 * 13</gadget>
<output>40.82</output>
<result>40.82</result>


4：7的前项加8，要使比值不变，后项应该是乘多少

4: Add 8 to the former term of 7, to keep the ratio unchanged, how much should the latter term be multiplied


比70米多20%是多少米．

How many meters is 20% more than 70 meters?

<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">70 * (6/5)</gadget>
<output>84</output>
<result>84</result>


a是b的(1/5)，b是a的多少倍．

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


一个梯形的面积是30平方厘米，如果它的上底和下底不变，高扩大到原来的6倍，则它的面积是多少平方厘米？

The area of a trapezoid is 30 square centimeters. If its upper and lower bases remain the same and its height is increased to 6 times its original size, what is its area in square centimeters?

<gadget id="calculator">30 * 6</gadget>
<output>180</output>
<result>180</result>


一个棱长为6分米的正方体木块的体积是多少立方分米．

What is the volume of a cube with side length 6 decimeters?

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


一根绳子剪去20%后又接上5米，结果比原来短(3/20)，现在绳子长多少米？(不计接头)

A rope is cut off by 20% and then reattached to 5 meters. The result is shorter (3/20) than the original one. How many meters is the rope now? (excluding connectors)

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">(1/5) - (3/20)</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">5 / (1/20)</gadget>
<output>100</output>
<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>
<gadget id="calculator">100 * (17/20)</gadget>
<output>85</output>
<result>85</result>


做一个长方体框架，长50厘米，宽30厘米，高10厘米，至少需要多少厘米长的木条？

To make a cuboid frame with a length of 50 cm, a width of 30 cm, and a height of 10 cm, what is the minimum length of wooden strips needed?

<gadget id="calculator">50 + 30 + 10</gadget>
<output>90</output>
<gadget id="calculator">90 * 4</gadget>
<output>360</output>
<result>360</result>


在一个底面积是31.4平方厘米的长方体玻璃容器中，有一个底面半径是1厘米的圆锥形铝块完全浸在水中，当从水中取出铝块时，容器的水面下降了0.2厘米，这个圆锥形铝块高多少厘米？

In a cuboid glass container with a bottom area of 31.4 square centimeters, a conical aluminum block with a bottom radius of 1 cm is completely immersed in water. When the aluminum block is taken out of the water, the water level of the container drops by 0.2 cm. How tall is the aluminum block?

<gadget id="calculator">31.4 * 0.2</gadget>
<output>6.28</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1</gadget>
<output>3.14</output>
<gadget id="calculator">6.28 / (1/3) / 3.14</gadget>
<output>6</output>
<result>6</result>


一个三角形按1：3缩小后，那么缩小后的三角形面积是原三角形面积的多少．

After a triangle is reduced by 1:3, the area of the reduced triangle is the same as the area of the original triangle.

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 * 1 * (1/2)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/2) / (1/2)</gadget>
<output>1</output>
<gadget id="calculator">(1/3) * (1/3) * 1</gadget>
<output>1/9 = around 0.111111</output>
<result>1/9 = around 0.111111</result>


一个铺路队原计划用12天的时间完成1200米的铺路任务，实际前2天就完成了总数的(1/5)，照这样计算，可以提前几天完成任务？

A paving team originally planned to complete the paving task of 1200 meters in 12 days, but actually completed (1/5) of the total in the first 2 days. According to this calculation, how many days can the task be completed in advance?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/5) / 2</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1_200 * (1/10)</gadget>
<output>120</output>
<gadget id="calculator">1_200 / 120</gadget>
<output>10</output>
<gadget id="calculator">12 - 10</gadget>
<output>2</output>
<result>2</result>


某商品房原来售价110万元，国家对房价实行调控后，现在售价比原来降低了(2/11)．该商品房现价是多少万元？

The original price of a commercial house was 1.1 million yuan. After the country implemented regulation on housing prices, the current price is lower than the original price (2/11). How much is the current price of this commodity house?

<gadget id="calculator">2 / 11</gadget>
<output>2/11 = around 0.181818</output>
<gadget id="calculator">1 - (2/11)</gadget>
<output>9/11 = around 0.818182</output>
<gadget id="calculator">110 * (9/11)</gadget>
<output>90</output>
<result>90</result>


丁丁读一本书，已经读了(1/2)，再读54页就读完了全书的80%．这本书一共有多少页？

Ding Ding reads a book, he has already read (1/2), and after reading 54 pages, he has finished reading 80% of the book. How many pages does this book have?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(4/5) - (1/2)</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">54 / (3/10)</gadget>
<output>180</output>
<result>180</result>


一个圆柱和一个圆锥体积相等，圆柱底面积是圆锥的3倍，圆柱高是圆锥的多少．

A cylinder and a cone have the same volume, the area of the base of the cylinder is three times that of the cone, and the height of the cylinder is equal to that of the cone.

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>
<result>1/9 = around 0.111111</result>


梨树比苹果树少120棵，苹果树的棵数是梨树的3倍，苹果树有多少棵？

Pear trees are 120 fewer than apple trees, and the number of apple trees is three times that of pear trees. How many apple trees are there?

<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">120 / 2</gadget>
<output>60</output>
<gadget id="calculator">60 + 120</gadget>
<output>180</output>
<result>180</result>


一根铁丝围了一个长8厘米、宽7厘米的长方形，还剩4厘米，这根铁比原来长多少厘米．

piece of iron wire surrounds a rectangle with a length of 8 cm and a width of 7 cm, and there is 4 cm left. How much longer is the iron wire than the original one?

<gadget id="calculator">8 + 7</gadget>
<output>15</output>
<gadget id="calculator">15 * 2</gadget>
<output>30</output>
<gadget id="calculator">30 + 4</gadget>
<output>34</output>
<result>34</result>


玩具厂8人11天生产玩具1056件，平均每人每天生产多少件？

8 people in a toy factory produce 1056 toys in 11 days, how many toys per person per day on average?

<gadget id="calculator">1_056 / 8 / 11</gadget>
<output>12</output>
<result>12</result>


用三个长3厘米，宽2厘米，高1厘米的长方体，拼成一个表面积最小的大长方体，它的棱长和是多少厘米．

Use three cuboids with a length of 3 cm, a width of 2 cm, and a height of 1 cm to form a large cuboid with the smallest surface area. What is the sum of its edge lengths in cm?


同学们踢毽子，小青踢了90个，小强踢的是小青的(3/5)，又是小明的(2/3)，小明踢了多少个？

The classmates kicked shuttlecocks, Xiaoqing kicked 90, Xiaoqiang kicked Xiaoqing's (3/5), and Xiaoming's (2/3), how many did Xiaoming kick?

<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>3/2 = around 1.5</output>
<gadget id="calculator">90 * (3/2)</gadget>
<output>135</output>
<result>135</result>


把一个棱长是8厘米的正方体，切成棱长是2厘米的小正方体，可以得到多少个小正方体．

How many small cubes can be obtained by cutting a cube with side length 8 cm into smaller cubes with side length 2 cm?

<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>
<gadget id="calculator">8 / 8</gadget>
<output>1</output>
<gadget id="calculator">8 * 8 * 1</gadget>
<output>64</output>
<result>64</result>


图书馆有985本故事书，四年级同学借走了509本，三年级的同学还来452本，现在图书馆有故事书多少本？

There are 985 story books in the library, the fourth grade students borrowed 509, and the third grade students returned 452. How many story books are there in the library now?

<gadget id="calculator">985 - 509</gadget>
<output>476</output>
<gadget id="calculator">476 + 452</gadget>
<output>928</output>
<result>928</result>


一个圆柱体，底面积是40平方厘米，高是15厘米，与它等底等高的圆锥的体积是多少立方厘米．

If a cylinder has a base area of 40 cm2 and a height of 15 cm, what is the volume of a cone with the same base and height in cm3?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">40 * 15 * (1/3)</gadget>
<output>200</output>
<result>200</result>


一段圆柱形木料，如果截成两个小圆柱，那么它的表面积增加6.28cm**2；如果沿直径截成两个半圆柱，那么它的表面积增加80cm**2，求原圆柱形木料的体积．

If a piece of cylindrical wood is cut into two small cylinders, its surface area will increase by 6.28cm**2; if it is cut into two half cylinders along the diameter, then its surface area will increase by 80cm**2. Find the original cylindrical wood volume.

<gadget id="calculator">6.28 / 2</gadget>
<output>3.14</output>
<gadget id="calculator">80 / 2 / 2</gadget>
<output>20</output>
<gadget id="calculator">3.14 * 20</gadget>
<output>62.8</output>
<result>62.8</result>


小明家的客厅长12米，宽4.8米，现在要铺上地砖，每块地砖的边长是0.8米的正方形，至少需要多少块这样的地砖？

The living room of Xiao Ming’s house is 12 meters long and 4.8 meters wide. Now it needs to be paved with floor tiles. The side length of each floor tile is a square of 0.8 meters. How many such floor tiles are needed at least?

<gadget id="calculator">0.8 * 0.8</gadget>
<output>0.64</output>
<gadget id="calculator">4.8 / 0.64</gadget>
<output>7.5</output>
<gadget id="calculator">12 * 7.5</gadget>
<output>90</output>
<result>90</result>


一根铁丝围成一个长方形，长方形的长是18分米，宽12分米，现在要把它围成一个正方形，围成的正方形的边长是多少分米？

A piece of iron wire forms a rectangle. The length of the rectangle is 18 decimeters and the width is 12 decimeters. Now it is necessary to form a square. What is the side length of the enclosed square?

<gadget id="calculator">18 + 12</gadget>
<output>30</output>
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">30 * (1/2)</gadget>
<output>15</output>
<result>15</result>


一件衣服打八折是120元，现价比原价便宜多少元？

The 20% discount for a piece of clothing is 120 yuan. How much is the current price cheaper than the original price?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">120 / (4/5)</gadget>
<output>150</output>
<gadget id="calculator">150 - 120</gadget>
<output>30</output>
<result>30</result>


用6颗颜色不同的彩色珠子串成一个手链，有多少种不同的串法．

How many different ways can a bracelet be strung with 6 colored beads of different colors?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">5 * 4 * 3 * 2 * (1/2)</gadget>
<output>60</output>
<result>60</result>


学校要砌一道长40m、厚0.3m、高2m的墙．如果每立方米需要红砖525块，学校需要买多少块砖？

The school needs to build a wall with a length of 40m, a thickness of 0.3m and a height of 2m. If 525 red bricks are needed per cubic meter, how many bricks does the school need to buy?

<gadget id="calculator">40 * 0.3 * 2</gadget>
<output>24</output>
<gadget id="calculator">24 * 525</gadget>
<output>12_600</output>
<result>12_600</result>


一个封闭的长方体容器，长、宽、高分别是10cm、10cm和15cm，里面装着高9cm的水．小红不小心把容器碰倒了．现在水的高度是多少？

A closed cuboid container, the length, width, and height are 10cm, 10cm, and 15cm respectively, contains water 9cm high. Xiaohong accidentally knocked over the container. What is the height of the water now?

<gadget id="calculator">10 * 15</gadget>
<output>150</output>
<gadget id="calculator">9 / 150</gadget>
<output>3/50 = around 0.06</output>
<gadget id="calculator">10 * 10 * (3/50)</gadget>
<output>6</output>
<result>6</result>


四5班有学生42人．其中有27人参加了数学小组，13人参加了语文小组．有10人两个小组都参加了，有几个人两个小组都没有参加？

There are 42 students in Class 4 and 5. Among them, 27 people participated in the math group, and 13 people participated in the language group. There are 10 people who participated in both groups, and how many people did not participate in both groups?

<gadget id="calculator">13 - 10</gadget>
<output>3</output>
<gadget id="calculator">27 + 3</gadget>
<output>30</output>
<gadget id="calculator">42 - 30</gadget>
<output>12</output>
<result>12</result>


商店进了一批水果，第一天卖出150千克，第二天比第一天多卖出20%，第二天卖出这批水果的20%．这批水果有多少千克？

A batch of fruit came into the store, and 150 kilograms were sold on the first day, 20% more than the first day was sold on the second day, and 20% of the fruit was sold on the second day. How many kilograms is this batch of fruit?

<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">150 * (6/5)</gadget>
<output>180</output>
<gadget id="calculator">180 / (1/5)</gadget>
<output>900</output>
<result>900</result>


把3个棱长为1分米的正方体拼成一个长方体，体积是多少立方分米．

What is the volume of a cuboid when 3 cubes with side lengths of 1 decimeter are put together?

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


小刚(3/10)小时走了(14/15)千米，他每走1千米需多少小时？正确的算式是多少

Xiaogang walked (14/15) kilometers in (3/10) hours, how many hours does it take him to walk 1 kilometer? what is the correct formula

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">14 / 15</gadget>
<output>14/15 = around 0.933333</output>
<gadget id="calculator">(3/10) / (14/15)</gadget>
<output>9/28 = around 0.321429</output>
<result>9/28 = around 0.321429</result>


(3/4) day = how many hours; 200 kilograms = ((())/(())) tons.


我国唐代有"外方内圆"的铜镜(即圆形铜镜内有一个最大的正方形)，一个这种铜镜图形的半径是4厘米，则这个铜镜外面的圆与内部的正方形之间的面积是多少平方厘米．

In the Tang Dynasty of our country, there was a bronze mirror with "outer square and inner circle" (that is, there is a largest square inside a circular bronze mirror). The radius of a picture of this kind of bronze mirror is 4 cm, so the outer circle of this bronze mirror is the same as the inner square. What is the area in square centimetres.

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">4 * 2 * 4</gadget>
<output>32</output>
<gadget id="calculator">50.24 - 32</gadget>
<output>18.24</output>
<result>18.24</result>


光明小学六年级有95人，比五年级的人数少(1/6)，五年级有多少人？

There are 95 students in the sixth grade of Guangming Primary School, which is less than the number of fifth graders (1/6). How many students are there in the fifth grade?

<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">95 / (5/6)</gadget>
<output>114</output>
<result>114</result>


超市昨天运来橘子和苹果两种水果，其中橘子有20千克，正好是苹果质量的(4/5)，昨天共运来水果多少千克？

The supermarket shipped oranges and apples yesterday, and the oranges weighed 20 kilograms, which was exactly the mass of apples (4/5). How many kilograms of fruits were shipped yesterday?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">20 / (4/5)</gadget>
<output>25</output>
<gadget id="calculator">25 + 20</gadget>
<output>45</output>
<result>45</result>


一列快车和一列慢车从相距660千米的两地同时相对开出，经过4小时相遇．快车平均每小时行90千米．慢车每小时行多少千米？

An express train and a slow train depart from two places 660 kilometers apart at the same time, and meet after 4 hours. The express train travels an average of 90 kilometers per hour. How many kilometers per hour does the slow car travel?

<gadget id="calculator">90 * 4</gadget>
<output>360</output>
<gadget id="calculator">660 - 360</gadget>
<output>300</output>
<gadget id="calculator">300 / 4</gadget>
<output>75</output>
<result>75</result>


有一桶油5千克，倒出这桶油的(2/5)，倒出多少千克．

There is a barrel of 5 kilograms of oil, pour out (2/5) of this barrel of oil, how many kilograms are poured out.

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


一辆汽车3小时行驶195千米，照这样计算，从甲地到乙地共行驶了5小时，甲、乙两地之间的距离是多少千米？(用比例知识解答)

A car travels 195 kilometers in 3 hours. According to this calculation, it takes 5 hours to travel from A to B. How many kilometers is the distance between A and B? (Answer with proportional knowledge)

<gadget id="calculator">195 / 3</gadget>
<output>65</output>
<gadget id="calculator">65 * 5</gadget>
<output>325</output>
<result>325</result>


将一段木料锯成两段需要10分钟，锯成3段需要多少分钟．

If it takes 10 minutes to saw a piece of wood into two pieces, how many minutes will it take to saw it into three pieces?

<gadget id="calculator">2 - 1</gadget>
<output>1</output>
<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">10 * 2</gadget>
<output>20</output>
<result>20</result>


某布料加工厂5天缝制衬衣1500件．照这样计算，缝制2400件衬衣需要多少天？(用比例的知识解答)

A fabric processing factory sewed 1,500 shirts in 5 days. According to this calculation, how many days will it take to sew 2,400 shirts? (Answer with the knowledge of proportion)

<gadget id="calculator">1_500 / 5</gadget>
<output>300</output>
<gadget id="calculator">2_400 / 300</gadget>
<output>8</output>
<result>8</result>


修一条长6km的道路，第一期修了这条路的(2/5)，第二期修了这条路的(3/10)，第一期比第二期多修了多少千米．

To build a 6km long road, (2/5) of this road was built in the first phase, and (3/10) of this road was built in the second phase, how many kilometers more were repaired in the first phase than in the second phase.

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">(2/5) - (3/10)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">6 * (1/10)</gadget>
<output>3/5 = around 0.6</output>
<result>3/5 = around 0.6</result>


在一个底面半径是10厘米的圆柱形瓶中，水深是8厘米．要将瓶中放入长和宽都是8厘米，高是15厘米的一块铁块，把铁块竖放于水中，水面上升多少厘米？

In a cylindrical bottle with base radius 10 cm, the water depth is 8 cm. A piece of iron with a length and width of 8 cm and a height of 15 cm is placed in the bottle. If the iron is placed vertically in the water, how many centimeters will the water level rise?

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>
<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>
<gadget id="calculator">8 * 8</gadget>
<output>64</output>
<gadget id="calculator">314 - 64</gadget>
<output>250</output>
<gadget id="calculator">8 / 250</gadget>
<output>4/125 = around 0.032</output>
<gadget id="calculator">3.14 * 100 * (4/125)</gadget>
<output>10.048</output>
<gadget id="calculator">10.048 - 8</gadget>
<output>2.048</output>
<result>2.048</result>


苹果每千克2.4元，是香蕉价格的80%，香蕉单价每千克多少元．

Apples are 2.4 yuan per kilogram, which is 80% of the price of bananas. How much is the unit price of bananas per kilogram?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">2.4 / (4/5)</gadget>
<output>3</output>
<result>3</result>


一本故事书，我每天看5页，看了9天，还剩64页，这本书有多少页？

A story book, I read 5 pages a day for 9 days, and there are 64 pages left, how many pages does this book have?

<gadget id="calculator">5 * 9</gadget>
<output>45</output>
<gadget id="calculator">45 + 64</gadget>
<output>109</output>
<result>109</result>


水果市场要将一些水果装箱，如果每箱10千克，可装30箱．如果每箱15千克，可少装多少箱？

The fruit market needs to pack some fruits into boxes. If each box weighs 10 kilograms, it can hold 30 boxes. If each box is 15kg, how many boxes can be saved?

<gadget id="calculator">30 / 15</gadget>
<output>2</output>
<gadget id="calculator">10 * 2</gadget>
<output>20</output>
<gadget id="calculator">30 - 20</gadget>
<output>10</output>
<result>10</result>


全世界哺乳类动物约有4000种，其中我国约有500种，我国哺乳类动物占全世界的百分之几？

There are about 4,000 species of mammals in the world, among which there are about 500 species in my country. How many percent of the mammals in my country account for the world?

<gadget id="calculator">500 / 4_000</gadget>
<output>1/8 = around 0.125</output>
<result>1/8 = around 0.125</result>


食堂运来一批花生油，如果每天用1.8千克，能用160天．如果每天节约0.3千克，能用多少天？

A batch of peanut oil was shipped from the cafeteria. If 1.8 kg is used every day, it can be used for 160 days. If you save 0.3 kg per day, how many days can it be used?

<gadget id="calculator">1.8 - 0.3</gadget>
<output>1.5</output>
<gadget id="calculator">160 / 1.5</gadget>
<output>106.666667</output>
<gadget id="calculator">1.8 * 106.666667</gadget>
<output>192.000001</output>
<result>192.000001</result>


12月20日，北京的气温是-5℃，最高是8℃，这一天北京的温差是多少℃

On December 20th, the temperature in Beijing was -5°C, and the highest was 8°C. What is the temperature difference in Beijing on this day?

<gadget id="calculator">8 - (-5)</gadget>
<output>13</output>
<result>13</result>


一辆清洁车每分钟行驶100米，它扫过的路面宽大约为20分米．清洁车行驶8分钟，扫过的路面有多少平方米？

A cleaning vehicle travels 100 meters per minute, and the width of the road it sweeps is about 20 decimeters. How many square meters does the cleaning vehicle sweep for 8 minutes?

<gadget id="calculator">20 / 10</gadget>
<output>2</output>
<gadget id="calculator">100 * 2 * 8</gadget>
<output>1_600</output>
<result>1_600</result>


有7500块砖，用小车运要运15次，如果改用大车运，要运10次．大车比小车每次多运多少块？

There are 7,500 bricks, and they need to be transported 15 times by small trucks, and 10 times if they are transported by large trucks. How much more does the large cart carry each time than the small cart?

<gadget id="calculator">7_500 / 10</gadget>
<output>750</output>
<gadget id="calculator">7_500 / 15</gadget>
<output>500</output>
<gadget id="calculator">750 - 500</gadget>
<output>250</output>
<result>250</result>


<gadget id="calculator">120 / 20</gadget>
<output>6</output>
<result>6</result>


一件工作，A独立完成要20小时，B独立完成要30小时，如果他们共同完成这项工作，完成后A比B多做了这项工作的多少．

A piece of work, it takes 20 hours for A to complete independently, and 30 hours for B to complete alone. If they finish this work together, how much more will A do than B after the completion of this work.

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(1/20) + (1/30)</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">1 / (1/12)</gadget>
<output>12</output>
<gadget id="calculator">(1/20) * 12</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(1/30) * 12</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(3/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


淘气每天晚上8：00睡觉，也就是多少睡觉．

Naughty goes to bed at 8:00 every night, that is, how much sleep.


甲队有178人，比乙队人数的2倍还多6人，从甲队调多少人到乙队，两队的人数就同样多？

Team A has 178 people, which is 6 people more than twice the number of team B. How many people are transferred from team A to team B, and the number of the two teams is the same?

<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">178 / 2</gadget>
<output>89</output>
<gadget id="calculator">3 - 89</gadget>
<output>-86</output>
<gadget id="calculator">178 + (-86)</gadget>
<output>92</output>
<gadget id="calculator">1 + 1</gadget>
<output>2</output>
<gadget id="calculator">92 / 2</gadget>
<output>46</output>
<result>46</result>


连续5个自然数的和是50，从小到大排列，第三个数是多少．

The sum of 5 consecutive natural numbers is 50, arranged from small to large, what is the third number.

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


计算三角形面积：底4.5米，高3.4米．

Calculate the area of the triangle: the base is 4.5 meters and the height is 3.4 meters.

<gadget id="calculator">3.4 / 2</gadget>
<output>1.7</output>
<gadget id="calculator">4.5 * 1.7</gadget>
<output>7.65</output>
<result>7.65</result>


商店货架上有上衣和裤子，上衣每件36元、裤子每件48元，学校要买50套衣服，一共需要多少元？

There are jackets and trousers on the shelf in the store. The jacket is 36 yuan each, and the trousers is 48 yuan each. The school needs to buy 50 sets of clothes. How much is the total cost?

<gadget id="calculator">36 + 48</gadget>
<output>84</output>
<gadget id="calculator">84 * 50</gadget>
<output>4_200</output>
<result>4_200</result>


将一个长12cm，宽8cm，高9cm的长方体截成一个体积最大的正方体，这个正方体的体积是多少立方厘米？

Cut a cuboid with a length of 12 cm, a width of 8 cm, and a height of 9 cm into a cube with the largest volume. What is the volume of the cube in cubic centimeters?

<gadget id="calculator">8 * 8 * 8</gadget>
<output>512</output>
<result>512</result>


用2、5、0三个数组成三位数，一共可以组成多少个不同的三位数．

How many different three-digit numbers can be formed by using the three numbers 2, 5, and 0 to form a three-digit number?

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


三1班有64名学生，平均分成4个组，每组有多少名学生？

There are 64 students in class 3 and 1, and they are divided into 4 groups on average. How many students are there in each group?

<gadget id="calculator">64 / 4</gadget>
<output>16</output>
<result>16</result>


无锡市某居民小区建设信息化小区，共有800户家庭需要安装宽带设备．工程队工作12天后，已经完成了安装工作的(2/5)，工程队完成全部安装共需多少天？

A residential area in Wuxi City is building an information-based community, and a total of 800 households need to install broadband equipment. After the engineering team worked for 12 days, (2/5) of the installation work has been completed, how many days will it take for the engineering team to complete all the installation?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(2/5) / 12</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">800 * (1/30)</gadget>
<output>80/3 = around 26.666667</output>
<gadget id="calculator">800 / (80/3)</gadget>
<output>30</output>
<result>30</result>


一个足球降价20%后是160元，这个足球原价多少元？列式是多少

A football is 160 yuan after a 20% price reduction. How much is the original price of this football? What is the column

<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">160 / (4/5)</gadget>
<output>200</output>
<result>200</result>


明明、军军、亮亮比赛投篮，明明投进了8个，亮亮投进的个数是明明的3倍．亮亮投进了多少个？军军投进了16个，他投进的个数是明明的几倍？

Mingming, Junjun, and Liangliang shot in the game. Mingming made 8 shots, and the number of shots made by Liangliang was three times that of Mingming. How many did Liangliang put in? Junjun invested 16, how many times did he invest more than Mingming?

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


一个小数，如果把小数点向右移动一位，所得数比原来增加了41.85，这个小数是多少．

For a decimal, if the decimal point is moved one place to the right, the resulting number will increase by 41.85. What is this decimal?

<gadget id="calculator">10 - 1</gadget>
<output>9</output>
<gadget id="calculator">41.85 / 9</gadget>
<output>4.65</output>
<result>4.65</result>


李阿姨整修了块草坪，每分钟整修6.4平方米，半小时可以整修完毕．如果每分钟整修8平方米，多少时间可以整修完？(用比例解)

Aunt Li repaired a piece of lawn at a rate of 6.4 square meters per minute, which can be completed in half an hour. If 8 square meters are refurbished every minute, how long will it take to complete the refurbishment? (Solve with ratio)

<gadget id="calculator">6.4 * 30</gadget>
<output>192</output>
<gadget id="calculator">192 / 8</gadget>
<output>24</output>
<result>24</result>


一圆形花坛，周长80米，每隔4米摆一盆兰花，每两盆兰花中间摆一盆月季花，共需要多少盆花．

A circular flower bed with a circumference of 80 meters, a pot of orchids every 4 meters, and a pot of roses in the middle of every two pots of orchids, how many pots of flowers are needed in total.

<gadget id="calculator">80 / 4</gadget>
<output>20</output>
<gadget id="calculator">20 * 2</gadget>
<output>40</output>
<result>40</result>


一个从里面量长8分米、宽5分米的长方体玻璃缸，里面装有水，水深20厘米．现在往玻璃缸里放入一个钢块，水面上升了2厘米．这个钢块的体积是多少立方厘米？

A cuboid glass cylinder measuring 8 decimeters long and 5 decimeters wide is filled with water to a depth of 20 centimeters. Now put a steel block into the glass tank, the water level rises by 2 cm. What is the volume of this block of steel in cubic centimeters?

<gadget id="calculator">8 * 10</gadget>
<output>80</output>
<gadget id="calculator">5 * 10</gadget>
<output>50</output>
<gadget id="calculator">80 * 50 * 2</gadget>
<output>8_000</output>
<result>8_000</result>


快慢两车同时从C站出发，背向而行，分别前往两边的AB两站，5时后，快车刚好到达A站，慢车行了CB两站路程的80%，这时两车相距370千米，已知快车从A站到B站要8小时，AB两站相距多少千米？

The fast and slow trains depart from station C at the same time, and run in opposite directions, and go to the two stations AB on both sides respectively. After 5:00, the express train just arrives at station A, and the slow train travels 80% of the distance between the two stations CB. At this time, the distance between the two cars is 370 Kilometers, it is known that the express train takes 8 hours from station A to station B, how many kilometers is the distance between AB and station?

<gadget id="calculator">8 - 5</gadget>
<output>3</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">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(3/8) * (4/5)</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">(5/8) + (3/10)</gadget>
<output>37/40 = around 0.925</output>
<gadget id="calculator">370 / (37/40)</gadget>
<output>400</output>
<result>400</result>


一台冰箱的价格是978元，一台洗衣机的价格是645元，冰箱比洗衣机贵多少？

The price of a refrigerator is 978 yuan, and the price of a washing machine is 645 yuan. How much more expensive is a refrigerator than a washing machine?

<gadget id="calculator">978 - 645</gadget>
<output>333</output>
<result>333</result>


放假了，妈妈带小雨去外婆家，先要乘4小时的火车，再乘2小时的汽车就到了外婆家．火车的速度是140千米/时，汽车平均每小时行80千米，小雨到外婆家一共有多少千米？

It's a holiday, and my mother takes Xiaoyu to my grandmother's house. I have to take a 4-hour train first, and then take a 2-hour car to my grandmother's house. The speed of the train is 140 km/h, and the car travels an average of 80 km/h. How many kilometers does it take for Xiaoyu to reach grandma's house?

<gadget id="calculator">140 * 4</gadget>
<output>560</output>
<gadget id="calculator">80 * 2</gadget>
<output>160</output>
<gadget id="calculator">560 + 160</gadget>
<output>720</output>
<result>720</result>


某日，南京的最低气温是-2℃，最高气温是8℃，这天南京的温差最大是多少℃．

On a certain day, the minimum temperature in Nanjing is -2°C and the maximum temperature is 8°C. What is the maximum temperature difference in Nanjing on that day?

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


某仓库有一个圆柱形粮囤，它的底面周长是31.4米，高是3米，稻谷如果按每立方米600千克计算，这个粮囤装有多少吨稻谷？

There is a cylindrical grain storage in a certain warehouse. Its bottom circumference is 31.4 meters and its height is 3 meters. If rice is calculated as 600 kilograms per cubic meter, how many tons of rice does this grain storage contain?


某工厂积极开展植树活动．第一车间45人，第二车间42人，平均每人植树8棵．两个车间一共植树多少棵？

A factory is actively carrying out tree planting activities. There are 45 people in the first workshop and 42 people in the second workshop, with an average of 8 trees planted per person. How many trees are planted in the two workshops?

<gadget id="calculator">45 * 8</gadget>
<output>360</output>
<gadget id="calculator">42 * 8</gadget>
<output>336</output>
<gadget id="calculator">360 + 336</gadget>
<output>696</output>
<result>696</result>


小强家住6楼，每层楼有12个台阶，放学回家要走多少个台阶．

Xiaoqiang lives on the 6th floor. There are 12 steps on each floor. How many steps do you have to walk to get home from school?

<gadget id="calculator">6 - 1</gadget>
<output>5</output>
<gadget id="calculator">12 * 5</gadget>
<output>60</output>
<result>60</result>


从广州开往韶关的火车在早上9时开出，上午11时到达韶关．如果火车的速度是110千米/时，那么广州到韶关的铁路长是多少千米？

The train from Guangzhou to Shaoguan departs at 9 am and arrives at Shaoguan at 11 am. If the speed of the train is 110 km/h, how many kilometers is the railway from Guangzhou to Shaoguan?

<gadget id="calculator">11 - 9</gadget>
<output>2</output>
<gadget id="calculator">2 * 110</gadget>
<output>220</output>
<result>220</result>


一块地有(5/6)公顷，其中(1/3)种苦瓜，(3/8)种茄子，其余的种韭菜，种韭菜的面积是总面积的几分之几？

piece of land has (5/6) hectares, of which (1/3) is planted with bitter gourd, (3/8) planted with eggplant, and the rest is planted with leeks. What fraction of the total area is the area planted with leeks?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">1 - (1/3) - (3/8)</gadget>
<output>7/24 = around 0.291667</output>
<result>7/24 = around 0.291667</result>


小明看一本故事书，8天看了192页．照这样的速度又看了2天全部看完．这本书共有多少页？

Xiao Ming reads a storybook and reads 192 pages in 8 days. At this speed, I watched it all for another 2 days. How many pages does this book have?

<gadget id="calculator">192 / 8</gadget>
<output>24</output>
<gadget id="calculator">24 * 2</gadget>
<output>48</output>
<gadget id="calculator">48 + 192</gadget>
<output>240</output>
<result>240</result>


用一根铁丝围成长是6厘米，宽是4厘米的长方形，如果用它来围一个正方形，边长是多少．

If a piece of iron wire is used to enclose a rectangle whose length is 6 cm and width is 4 cm, if it is used to enclose a square, what is the side length?

<gadget id="calculator">6 + 4</gadget>
<output>10</output>
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">10 * (1/2)</gadget>
<output>5</output>
<result>5</result>


花园小区有儿童121人，其中(6/11)的儿童在花园小学上学，这些孩子中(1/3)是男孩，花园小区中有多少男孩在花园小学上学？

There are 121 children in Huayuan District, among which (6/11) children go to Huayuan Primary School, and (1/3) of these children are boys. How many boys in Huayuan District go to Huayuan Primary School?

<gadget id="calculator">6 / 11</gadget>
<output>6/11 = around 0.545455</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">121 * (6/11) * (1/3)</gadget>
<output>22</output>
<result>22</result>


题库中有三种类型的题目、数量分别为30道，40道和45道，每次考试要从三种类型的题目中各取一道组成一张试卷．请问：由该题库共可组成多少种不同的试卷？

There are three types of questions in the question bank, the number of which is 30, 40 and 45 respectively. Each test should take one question from each of the three types to form a test paper. May I ask: How many different test papers can be composed of this question bank?

<gadget id="calculator">30 * 40 * 45</gadget>
<output>54_000</output>
<result>54_000</result>


三个互相咬合的齿轮，当A转6圈时，B转10圈；当B转25圈时，C转9圈．如果A有30个齿轮，C有多少个齿轮？

Three interlocking gears, when A rotates 6 times, B rotates 10 times; when B rotates 25 times, C rotates 9 times. If A has 30 gears, how many gears does C have?

<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">30 * (3/5)</gadget>
<output>18</output>
<gadget id="calculator">25 / 9</gadget>
<output>25/9 = around 2.777778</output>
<gadget id="calculator">18 * (25/9)</gadget>
<output>50</output>
<result>50</result>


一辆汽车从甲地开往乙地，平均每小时行驶60千米，行了2小时，刚好行了全程的(3/5)，甲地到乙地有多少千米？

car drives from place A to place B, with an average speed of 60 kilometers per hour. It takes 2 hours to drive (3/5) of the whole journey. How many kilometers is it from place A to place B?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">2 / (3/5)</gadget>
<output>10/3 = around 3.333333</output>
<gadget id="calculator">60 * (10/3)</gadget>
<output>200</output>
<result>200</result>


一列客车与一列货车同时从A地相背而行，经过4.5小时后，两车相距643.5千米．已知客车每小时行78千米，货车每小时行多少千米？

A train of passenger cars and a train of freight trains run opposite each other from point A at the same time. After 4.5 hours, the distance between the two cars is 643.5 kilometers. It is known that the passenger car travels 78 kilometers per hour, how many kilometers per hour does the truck travel?

<gadget id="calculator">643.5 / 4.5</gadget>
<output>143</output>
<gadget id="calculator">143 - 78</gadget>
<output>65</output>
<result>65</result>


低碳生活是指生活作息时所消耗的能量要尽力减少，从而减少碳特别是二氧化碳的排放，从而减少对大气的污染，减缓生态恶化．如少看10分钟电视，就可以减少1.6克碳的排放．如果每天少看l小时40分钟电视能减少多少克碳的排放？

Low-carbon life means that the energy consumed during daily life should be reduced as much as possible, so as to reduce carbon emissions, especially carbon dioxide, thereby reducing air pollution and slowing down ecological deterioration. If you watch less TV for 10 minutes, you can reduce 1.6 grams of carbon emissions. How many grams of carbon emissions can be reduced if one hour and 40 minutes less TV is watched every day?

<gadget id="calculator">1.6 / 10</gadget>
<output>0.16</output>
<gadget id="calculator">0.16 * 100</gadget>
<output>16</output>
<result>16</result>


某仓库存有一批苹果和雪梨，运出80千克雪梨后，余下的苹果和雪梨的质量比是5：4，如果再运出210千克苹果，剩下的苹果的质量是雪梨的20%，那么仓库原来存有雪梨多少千克？

There is a batch of apples and pears in a warehouse. After 80 kg of pears are shipped out, the mass ratio of the remaining apples to pears is 5:4. If another 210 kg of apples are shipped out, the mass of the remaining apples is 20% of the pears. Then How many kilograms of pears were originally stored in the warehouse?

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(5/4) - (1/5)</gadget>
<output>21/20 = around 1.05</output>
<gadget id="calculator">210 / (21/20)</gadget>
<output>200</output>
<gadget id="calculator">200 + 80</gadget>
<output>280</output>
<result>280</result>


把一根木头锯成4段，需要12分钟，如果锯成6段，需要多少分

It takes 12 minutes to saw a piece of wood into 4 sections, how many minutes will it take if it is sawn into 6 sections

<gadget id="calculator">4 - 1</gadget>
<output>3</output>
<gadget id="calculator">12 / 3</gadget>
<output>4</output>
<gadget id="calculator">6 - 1</gadget>
<output>5</output>
<gadget id="calculator">4 * 5</gadget>
<output>20</output>
<result>20</result>


商店优惠商品，鲜奶4袋8元，果冻3千克45元，幼儿园打算买32袋鲜奶和30千克果冻，一共需要多少钱？

There are discounted products in the store, 8 yuan for 4 bags of fresh milk, 45 yuan for 3 kilograms of jelly, and the kindergarten plans to buy 32 bags of fresh milk and 30 kilograms of jelly, how much will it cost in total?

<gadget id="calculator">8 / 4</gadget>
<output>2</output>
<gadget id="calculator">2 * 32</gadget>
<output>64</output>
<gadget id="calculator">45 / 3</gadget>
<output>15</output>
<gadget id="calculator">15 * 30</gadget>
<output>450</output>
<gadget id="calculator">64 + 450</gadget>
<output>514</output>
<result>514</result>


一个圆锥形沙堆的底面周长是25.12米，高2米，把这些沙子在10米宽的公路上铺2cm厚，能铺多长的路？

The circumference of a cone-shaped sand pile is 25.12 meters and the height is 2 meters. If the sand is spread on a 10-meter-wide road with a thickness of 2 cm, how long can the road be paved?

<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>
<gadget id="calculator">10 * (1/50)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/3) / (1/5)</gadget>
<output>5/3 = around 1.666667</output>
<gadget id="calculator">3.14 * 16 * 2 * (5/3)</gadget>
<output>167.466667</output>
<result>167.466667</result>


一个等腰三角形周长10厘米，腰长是4厘米，这个三角形底边长多少厘米．

An isosceles triangle has a perimeter of 10 cm and a waist of 4 cm. What is the length of the base of the triangle?

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


今年的6月1日，小明把1000元压岁钱存入银行，定期一年，年利率是3.06%．明年的6月1日，小明到银行取钱，按国家规定要缴纳20%的利息税．小明应缴纳利息税多少元？

On June 1 of this year, Xiao Ming deposits 1,000 yuan of lucky money in the bank for one year at an annual interest rate of 3.06%. On June 1 next year, Xiao Ming goes to the bank to withdraw money, and he has to pay 20% interest tax according to the state regulations. How much interest tax should Xiao Ming pay?

<gadget id="calculator">3.06 / 100</gadget>
<output>0.0306</output>
<gadget id="calculator">1_000 * 0.0306 * 1</gadget>
<output>30.6</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">30.6 * (1/5)</gadget>
<output>6.12</output>
<result>6.12</result>


北京颐和园占地290公顷，其中水面面积和陆地面积的比是3：1．颐和园的水面面积比陆地面积多多少公顷？

The Summer Palace in Beijing covers an area of 290 hectares, of which the ratio of water surface area to land area is 3:1. How many hectares is the water surface area of the Summer Palace larger than the land area?

<gadget id="calculator">3 + 1</gadget>
<output>4</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">290 * (3/4)</gadget>
<output>435/2 = around 217.5</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">290 * (1/4)</gadget>
<output>145/2 = around 72.5</output>
<gadget id="calculator">(435/2) + (145/2)</gadget>
<output>290</output>
<gadget id="calculator">(435/2) - (145/2)</gadget>
<output>145</output>
<result>145</result>


一本书读了(3/5)，剩下的占已读的多少

A book has been read (3/5), how much is the rest accounted for?

<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">(2/5) / (3/5)</gadget>
<output>2/3 = around 0.666667</output>
<result>2/3 = around 0.666667</result>