图书馆里有科技书250本，故事书的本数比科技书多10%．故事书有多少本？

There are 250 science and technology books in the library, and the number of story books is 10% more than that of science and technology books. How many story books are there?

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>
<gadget id="calculator">250 * (11/10)</gadget>
<output>275</output>
<result>275</result>


一个容器的底面积是80平方厘米，容器里装满水，水中沉没一块橡皮泥，取出橡皮泥后，水面下降2.5厘米，这块橡皮泥的体积是多少？

The bottom area of a container is 80 square centimeters. The container is filled with water. A piece of plasticine sinks in the water. After taking out the plasticine, the water level drops by 2.5 cm. What is the volume of this piece of plasticine?

<gadget id="calculator">80 * 2.5</gadget>
<output>200</output>
<result>200</result>


白货商店今天卖出15台洗衣机，8台电视机．卖出的电视机的台数是洗衣机的几分之几？

The white goods store sold 15 washing machines and 8 TV sets today. What fraction of the number of TV sets sold are washing machines?

<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>
<result>8/15 = around 0.533333</result>


一辆车从甲地开往乙地，已行路程与未行路程之比是5：3，若再行80千米，则已行路程正好是全程的87.5%，甲乙两地的路程是多少千米？

A car drives from place A to place B. The ratio of the traveled distance to the untraveled distance is 5:3. If it travels another 80 kilometers, the traveled distance is exactly 87.5% of the whole journey. What is the distance between A and B? km?

<gadget id="calculator">87.5 / 100</gadget>
<output>0.875</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">0.875 - (5/8)</gadget>
<output>0.25</output>
<gadget id="calculator">80 / 0.25</gadget>
<output>320</output>
<result>320</result>


小刚今年11岁，爷爷的年龄比他的6倍多4岁，爷爷今年多大？

Xiaogang is 11 years old this year, and his grandfather is 6 times older than him and 4 years old. How old is his grandfather this year?

<gadget id="calculator">11 * 6</gadget>
<output>66</output>
<gadget id="calculator">66 + 4</gadget>
<output>70</output>
<result>70</result>


A、B两数的平均数是17，B、C两数的平均数是20．则A比C少多少．

The average of the two numbers A and B is 17, and the average of the two numbers B and C is 20. Then how much less A is than C.

<gadget id="calculator">20 * 2</gadget>
<output>40</output>
<gadget id="calculator">17 * 2</gadget>
<output>34</output>
<gadget id="calculator">40 - 34</gadget>
<output>6</output>
<result>6</result>


修一条路，已经修的是未修的(2/5)，再修300米，就正好修了这条路的一半．这条路有多少米？

To build a road, what has already been repaired is the unrepaired (2/5), and another 300 meters will be repaired, and half of the road will be repaired. How many meters is this road?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">2 + 5</gadget>
<output>7</output>
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">(1/2) - (2/7)</gadget>
<output>3/14 = around 0.214286</output>
<gadget id="calculator">300 / (3/14)</gadget>
<output>1_400</output>
<result>1_400</result>


王师傅把一块54千克的钢锭加工成零件．如果加工成甲种零件，可加工120个；如果加工成乙种零件，可加工72个；如果加工成丙种零件，可加工60个．现在王师傅先加工甲乙两种零件各24个，剩下的加工成丙种零件，可以加工多少个？

Master Wang processed a 54 kg steel ingot into parts. If it is processed into Type A parts, it can process 120 pieces; if it is processed into Type B parts, it can process 72 pieces; if it is processed into Type C parts, it can process 60 pieces. Now, Master Wang first processes 24 parts A and B each, and the rest are processed into parts C. How many can be processed?

<gadget id="calculator">1 / 120</gadget>
<output>1/120 = around 0.008333</output>
<gadget id="calculator">1 / 72</gadget>
<output>1/72 = around 0.013889</output>
<gadget id="calculator">(1/120) + (1/72)</gadget>
<output>1/45 = around 0.022222</output>
<gadget id="calculator">(1/45) * 24</gadget>
<output>8/15 = around 0.533333</output>
<gadget id="calculator">1 - (8/15)</gadget>
<output>7/15 = around 0.466667</output>
<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>
<gadget id="calculator">(7/15) / (1/60)</gadget>
<output>28</output>
<result>28</result>


一种洗衣机，由1000元降到800元，降价百分之几？

For a washing machine, the price is reduced from 1,000 yuan to 800 yuan. How much is the price cut?

<gadget id="calculator">1_000 - 800</gadget>
<output>200</output>
<gadget id="calculator">200 / 1_000</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


328与308的和乘以它们的差，积是多少？

What is the product of the sum of 328 and 308 multiplied by their difference?

<gadget id="calculator">328 + 308</gadget>
<output>636</output>
<gadget id="calculator">328 - 308</gadget>
<output>20</output>
<gadget id="calculator">636 * 20</gadget>
<output>12_720</output>
<result>12_720</result>


某工程队修一条公路，已经修了(4/5)，还有210米没修，这条公路长多少米？(列方程求解)

A certain engineering team has built a road, which has been repaired (4/5), and there are still 210 meters to be repaired. How long is this road in meters? (column equation solving)

<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">210 / (1/5)</gadget>
<output>1_050</output>
<result>1_050</result>


狗追兔子，开始追时与兔子相距30米，追了48米后与兔子相距6米．狗还要跑多少米，才能追上兔子．

A dog chases a rabbit. At the beginning of the chase, the distance between the rabbit and the rabbit is 30 meters, and after 48 meters, the distance between the rabbit and the rabbit is 6 meters. How many meters does the dog have to run before it can catch up with the rabbit.

<gadget id="calculator">24 / 48</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">6 / (1/2)</gadget>
<output>12</output>
<result>12</result>


<gadget id="calculator">100 - 2</gadget>
<output>98</output>
<gadget id="calculator">25 + 98 + 12_356</gadget>
<output>12_479</output>
<result>12_479</result>


1间教室大小的草地1天产生的氧气够3个人用．我们三年级有120人，需要多少块教室大小的草地产生的氧气才够用？

The oxygen produced by 1 classroom-sized lawn in one day is enough for 3 people. There are 120 students in our third grade. How many classroom-sized grasslands are needed to produce enough oxygen?

<gadget id="calculator">120 / 3</gadget>
<output>40</output>
<result>40</result>


一条水渠，甲队挖要20天，乙队挖要30天完成，甲、乙两队合挖4天后，这条水渠还剩多少没有挖．

It takes 20 days for team A to dig a canal, and 30 days for team B to finish digging. After 4 days of joint digging by teams A and B, how much of the canal is left to be dug.

<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">(1/12) * 4</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>
<result>2/3 = around 0.666667</result>


一筐鱼连筐重54千克，卖了一半后，鱼连筐重29千克，如果每千克鱼卖7元，这筐鱼一共要买多少元？

A basket of fish weighs 54 kilograms. After half of the fish is sold, the basket of fish weighs 29 kilograms. If each kilogram of fish sells for 7 yuan, how much will the basket of fish cost in total?

<gadget id="calculator">54 - 29</gadget>
<output>25</output>
<gadget id="calculator">25 * 2 * 7</gadget>
<output>350</output>
<result>350</result>


在一个不透明的口袋中摸出绿球的可能性为(1/6)，口袋中的绿球是4个，则口袋中一共有多少个球．

The probability of drawing a green ball in an opaque pocket is (1/6), and there are 4 green balls in the pocket, how many balls are there in the pocket.

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">4 / (1/6)</gadget>
<output>24</output>
<result>24</result>


甲、乙两人同时从A地出发去B地，甲骑车每分钟行250米，乙步行每分钟走90米，当甲到B地后立即返回，在离B地3.2千米处与乙相遇．A，B两地相距多少千米？

Two people, A and B, set off from A to B at the same time. A rides a bicycle at 250 meters per minute, and B walks at 90 meters per minute. When A arrives at B, he returns immediately and meets B at a distance of 3.2 kilometers from B. meet. How many kilometers are there between A and B?

<gadget id="calculator">250 / 90</gadget>
<output>25/9 = around 2.777778</output>
<gadget id="calculator">(25/9) - 1</gadget>
<output>16/9 = around 1.777778</output>
<gadget id="calculator">2 / (16/9)</gadget>
<output>9/8 = around 1.125</output>
<gadget id="calculator">3.2 * (9/8)</gadget>
<output>3.6</output>
<gadget id="calculator">3.6 + 3.2</gadget>
<output>6.8</output>
<result>6.8</result>


一个圆锥，底面直径1.6分米，高0.4分米，把它一刀切开，成为形状相同的两半，表面积增加多少平方厘米．

If a cone has a base diameter of 1.6 decimeters and a height of 0.4 decimeters, if it is cut into two halves with the same shape, how many square centimeters will the surface area increase?

<gadget id="calculator">1.6 * 0.4 * 2</gadget>
<output>1.28</output>
<result>1.28</result>


莉莉看一本书，每天看18页，看了5天后还剩25页，这本书一共有多少页？

Lily reads a book, 18 pages a day, and after 5 days, there are 25 pages left. How many pages does this book have?

<gadget id="calculator">18 * 5</gadget>
<output>90</output>
<gadget id="calculator">90 + 25</gadget>
<output>115</output>
<result>115</result>


学校体育室里篮球个数比足球多40%，足球个数占两种球总数的多少

The number of basketballs in the school sports room is 40% more than that of footballs. How much does the number of footballs account for in the total of the two balls?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 + (2/5) + 1</gadget>
<output>12/5 = around 2.4</output>
<gadget id="calculator">1 / (12/5)</gadget>
<output>5/12 = around 0.416667</output>
<result>5/12 = around 0.416667</result>


甲、乙两只小昆虫同时从A点爬向B点，当甲虫爬了全程的(5/6)时，乙虫爬了全程的(8/9)．已知乙虫的速度是48米/分，甲虫13分钟可以爬完全程．A、B两点之间的路程是多少米？

Two small insects, A and B, crawl from point A to point B at the same time. When the beetle has crawled the whole distance (5/6), insect B has crawled the whole distance (8/9). It is known that the speed of the beetle is 48 m/min, and the beetle can complete the journey in 13 minutes. What is the distance between points A and B?

<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">(8/9) / (5/6)</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">48 * (15/16) * 13</gadget>
<output>585</output>
<result>585</result>


把一个半径2厘米的圆柱切拼成一个近似的长方体，表面积增加16平方厘米，圆柱的体积是多少立方厘米．

If a cylinder with a radius of 2 cm is cut and assembled into an approximate cuboid, the surface area is increased by 16 cm2, what is the volume of the cylinder in cubic centimeters?

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


一批煤480吨，用去(1/4)，还剩下多少吨？

A batch of 480 tons of coal is used up (1/4), how many tons are left?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">480 * (3/4)</gadget>
<output>360</output>
<result>360</result>


加工一批服装，甲车间单独做要4天完成，乙车间单独做要6天完成．甲、乙两个车间共同加工2天后，剩下的由乙车间单独加工，乙车间还要几天才能完成任务？

It takes 4 days for workshop A to process a batch of garments alone, and 6 days for workshop B to complete it alone. After 2 days of joint processing by workshops A and B, the rest will be processed by workshop B alone. How many days will it take for workshop B to complete the task?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/4) + (1/6)</gadget>
<output>5/12 = around 0.416667</output>
<gadget id="calculator">(5/12) * 2</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/6) / (1/6)</gadget>
<output>1</output>
<result>1</result>


分针从"3"走到"9"，经过时间是多少分

The minute hand goes from "3" to "9", what is the elapsed time in minutes

<gadget id="calculator">9 - 3</gadget>
<output>6</output>
<gadget id="calculator">5 * 6</gadget>
<output>30</output>
<result>30</result>


一列火车(3/4)小时行90千米，照这样计算，还要行3小时才能到乙地，甲、乙两地铁路长多少千米？

A train (3/4) travels 90 kilometers in an hour. According to this calculation, it will take 3 hours to reach B. How many kilometers is the length of the railway between A and B?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">90 / (3/4)</gadget>
<output>120</output>
<gadget id="calculator">120 * 3</gadget>
<output>360</output>
<gadget id="calculator">360 + 90</gadget>
<output>450</output>
<result>450</result>


六1班有男生40人，比女生人数多25%，六1班共有多少人．

There are 40 boys in Class 1, which is 25% more than the number of girls. How many people are there in Class 1?

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">40 / (5/4)</gadget>
<output>32</output>
<gadget id="calculator">32 + 40</gadget>
<output>72</output>
<result>72</result>


王大爷买24只小鸡花了72元钱，他还要再买50只这样的小鸡，王大爷还要花多少元钱？

Uncle Wang spent 72 yuan to buy 24 chickens, and he wants to buy another 50 such chickens. How much more will Uncle Wang spend?

<gadget id="calculator">72 / 24</gadget>
<output>3</output>
<gadget id="calculator">3 * 50</gadget>
<output>150</output>
<result>150</result>


六年级女生与男生人数的比是10：11，女生占六年级学生总人数的多少

The ratio of the number of girls to boys in the sixth grade is 10:11, how many girls account for the total number of students in the sixth grade

<gadget id="calculator">10 + 11</gadget>
<output>21</output>
<gadget id="calculator">12 / 21</gadget>
<output>4/7 = around 0.571429</output>
<result>4/7 = around 0.571429</result>


黑芝麻具有很高的营养价值，黑芝麻中脂肪和蛋白质的质量占总质量的(1/2)以上，有一种黑芝麻，脂肪和蛋白质的质量占黑芝麻总质量的(13/20)，如果有这种黑芝麻2.5kg，其中脂肪和蛋白质共有多少千克？

Black sesame has high nutritional value. The fat and protein in black sesame account for more than (1/2) of the total mass. There is a kind of black sesame in which the fat and protein account for (13/20) of the total mass of black sesame. If there is 2.5kg of this kind of black sesame, how many kilograms of fat and protein are there in total?

<gadget id="calculator">13 / 20</gadget>
<output>13/20 = around 0.65</output>
<gadget id="calculator">2.5 * (13/20)</gadget>
<output>1.625</output>
<result>1.625</result>


甲、乙、丙三人分苹果150个，甲得总数的(2/5)，乙得总数的(1/3)．问甲比乙多分几个？

A, B, and C share 150 apples, A gets 2/5 of the total, and B gets 1/3 of the total. How many points does A have more than B?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(2/5) - (1/3)</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">150 * (1/15)</gadget>
<output>10</output>
<result>10</result>


大虎做一道减法题时，把被减数十位上的8错写成7，减数个位上的6错写成9，最后所得的差是24，这题的正确答案应该是多少？

When Dahu was doing a subtraction problem, he wrote 7 for the 8 in the tens digit of the subtrahend, and 9 for the 6 in the subtrahend ones digit. The final difference was 24. What should be the correct answer to this question?

<gadget id="calculator">80 - 70</gadget>
<output>10</output>
<gadget id="calculator">9 - 6</gadget>
<output>3</output>
<gadget id="calculator">10 + 3</gadget>
<output>13</output>
<gadget id="calculator">24 + 13</gadget>
<output>37</output>
<result>37</result>


某次数学竞赛，试题共有10道，每做对一题得8分，每做错一题倒扣5分．小宇最终得41分，他做对多少题．

In a certain mathematics competition, there were 10 questions in total, 8 points were awarded for each correct answer, and 5 points were deducted for each wrong answer. Xiaoyu finally scored 41 points, how many questions did he get right.

<gadget id="calculator">39 / 13</gadget>
<output>3</output>
<gadget id="calculator">10 - 3</gadget>
<output>7</output>
<result>7</result>


某司机开车从甲地到乙地．按原路返回时速度比去时降低了20%．那么返回时间则比去时增加了多少．

A driver drives from A to B. When going back the same way, the speed is 20% lower than when going. Then the return time is increased by how much compared to the time of going.

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">5 * (4/5)</gadget>
<output>4</output>
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">(5/4) - 1</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/4) / 1</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


一本故事书有240页，张强用6天看完，李华用了5天看完．平均每天谁看得少？少多少页？

A storybook has 240 pages, Zhang Qiang took 6 days to read it, and Li Hua took 5 days to read it. Who watches less on average every day? How many pages are missing?

<gadget id="calculator">240 / 5</gadget>
<output>48</output>
<gadget id="calculator">240 / 6</gadget>
<output>40</output>
<gadget id="calculator">48 - 40</gadget>
<output>8</output>
<result>8</result>


一只汽船往返松花江A、B两个码头之间，从A到B顺流航行需用6小时，从B到A逆流航行需用8小时．一个木排从A码头顺流漂浮而下，需要多少小时到达B码头．

steamboat goes back and forth between A and B terminals on the Songhua River. It takes 6 hours to sail downstream from A to B, and 8 hours to sail upstream from B to A. How many hours does it take for a wooden raft to float downstream from Pier A to reach Pier B?

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">(1/6) - (1/8)</gadget>
<output>1/24 = around 0.041667</output>
<gadget id="calculator">(1/24) / 2</gadget>
<output>1/48 = around 0.020833</output>
<gadget id="calculator">1 / (1/48)</gadget>
<output>48</output>
<result>48</result>


美术小组中，男生是女生的(4/5)，男生比女生少多少．

In the art group, boys are girls (4/5), how much less boys than girls.

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


一个三角的底长3m，如果底延长1m，那么三角形的面积就增加1.2m**2．原来三角形的面积是多少m**2？

The base of a triangle is 3m long. If the base is extended by 1m, the area of the triangle increases by 1.2m**2. What is the area of the original triangle in m**2?

<gadget id="calculator">2 / 1</gadget>
<output>2</output>
<gadget id="calculator">1.2 * 2</gadget>
<output>2.4</output>
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">2.4 * (3/2)</gadget>
<output>3.6</output>
<result>3.6</result>


暑假奥数兴趣小组上午8点上课．小华从家中出发，如果每分走60米，可以提前5分钟到；如果每分走50米，可以提前2分钟到．小华家离奥数兴趣培训部多远？

The summer Olympiad interest group has classes at 8:00 a.m. Xiaohua starts from home, if he walks 60 meters per minute, he can arrive 5 minutes earlier; if he walks 50 meters per minute, he can arrive 2 minutes earlier. How far is Xiaohua's home from the Mathematical Olympiad Interest Training Department?

<gadget id="calculator">60 * 5</gadget>
<output>300</output>
<gadget id="calculator">50 * 2</gadget>
<output>100</output>
<gadget id="calculator">300 - 100</gadget>
<output>200</output>
<gadget id="calculator">60 - 50</gadget>
<output>10</output>
<gadget id="calculator">200 / 10</gadget>
<output>20</output>
<gadget id="calculator">20 - 5</gadget>
<output>15</output>
<gadget id="calculator">60 * 15</gadget>
<output>900</output>
<result>900</result>


一个工程队修一条公路，9天修了270米，还剩630米．照这样计算，修完这条铁路共需要几天？

An engineering team repaired a road, and repaired 270 meters in 9 days, leaving 630 meters left. According to this calculation, how many days will it take to complete the railway?

<gadget id="calculator">270 + 630</gadget>
<output>900</output>
<gadget id="calculator">270 / 9</gadget>
<output>30</output>
<gadget id="calculator">900 / 30</gadget>
<output>30</output>
<result>30</result>


一间教室长10米，宽6米，高4米，门窗面积19.5平方米，要粉刷教室的四壁和顶棚，如果每平方米用涂料0.26千克，共需要涂料多少千克？

A classroom is 10 meters long, 6 meters wide, 4 meters high, and the door and window area is 19.5 square meters. If the walls and ceiling of the classroom are to be painted, if 0.26 kilograms of paint is used per square meter, how many kilograms of paint are needed in total?

<gadget id="calculator">10 * 6</gadget>
<output>60</output>
<gadget id="calculator">10 * 4</gadget>
<output>40</output>
<gadget id="calculator">6 * 4</gadget>
<output>24</output>
<gadget id="calculator">60 + 40 + 24</gadget>
<output>124</output>
<gadget id="calculator">124 * 2</gadget>
<output>248</output>
<gadget id="calculator">248 - 60 - 19.5</gadget>
<output>168.5</output>
<gadget id="calculator">168.5 * 0.26</gadget>
<output>43.81</output>
<result>43.81</result>


从承德到北京大约240千米，"十一"期间小丽和爸爸从承德出发自驾车去北京游玩，每小时约行60千米，大约多小时就可以到达？

It is about 240 kilometers from Chengde to Beijing. During the "October" period, Xiaoli and her father will drive from Chengde to Beijing for fun, and they will drive about 60 kilometers per hour. How many hours will it take to get there?

<gadget id="calculator">240 / 60</gadget>
<output>4</output>
<result>4</result>


棱长2米的正方体里面可以装多少个棱长2分米的正方体．

How many cubes with sides 2 meters long can fit inside a cube with sides 2 meters long?

<gadget id="calculator">2 * 10</gadget>
<output>20</output>
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>
<gadget id="calculator">20 / 8</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">20 * 20 * (5/2)</gadget>
<output>1_000</output>
<result>1_000</result>


甲数增加4.7后比乙数大6.3，已知乙数是3.5，甲数是多少？

The number of A is 6.3 greater than the number of B after being increased by 4.7. It is known that the number of B is 3.5. What is the number of A?

<gadget id="calculator">6.3 - 4.7</gadget>
<output>1.6</output>
<gadget id="calculator">3.5 + 1.6</gadget>
<output>5.1</output>
<result>5.1</result>


军舰鸟每小时可以飞行420千米，是信鸽飞行速度的2.8倍，信鸽每小时飞行多少千米？

Frigatebirds can fly 420 kilometers per hour, which is 2.8 times faster than carrier pigeons. How many kilometers per hour does carrier pigeons fly?

<gadget id="calculator">420 / 2.8</gadget>
<output>150</output>
<result>150</result>


乙桶原有：甲、乙、丙三个容器各装有一定量的相同浓度的盐水，首先将甲的(1/2)倒入乙后，再将乙的(1/3)倒入丙，最后将丙的(1/4)倒入甲，结果各容器中的盐水量都是(1/5)千克，那么原来乙容器中的盐水量有多少千克．

The original barrel of B: A, B, and C are each filled with a certain amount of salt water of the same concentration. First, pour (1/2) of A into B, and then pour (1/3) of B into C. Finally, (1/4) of C is poured into A. As a result, the amount of salt water in each container is (1/5) kg, so how many kg is the amount of salt water in container B?

<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 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">(1/5) / (3/4)</gadget>
<output>4/15 = around 0.266667</output>
<gadget id="calculator">(4/15) * (1/4)</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/5) - (1/15)</gadget>
<output>2/15 = around 0.133333</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(2/15) / (1/2)</gadget>
<output>4/15 = around 0.266667</output>
<gadget id="calculator">(4/15) * (1/2)</gadget>
<output>2/15 = around 0.133333</output>
<gadget id="calculator">(1/5) - (2/15)</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(1/15) / (2/3)</gadget>
<output>1/10 = around 0.1</output>
<result>1/10 = around 0.1</result>


It is known that neither a nor b is 0, a/b=0.7, then (a/10)/(b/10)=what


某修路队修建一条公路，平均每天修185米，修了23天后，还剩145米．这条公路长多少米？

A road construction team builds a road, and repairs an average of 185 meters per day. After 23 days of repairing, there are still 145 meters left. How many meters is this road?

<gadget id="calculator">185 * 23</gadget>
<output>4_255</output>
<gadget id="calculator">4_255 + 145</gadget>
<output>4_400</output>
<result>4_400</result>


一个正方形的边长是25.12厘米，已知这个正方形的周长与一个圆的周长相等，这个圆的半径是多少厘米？

The side length of a square is 25.12 centimeters. It is known that the perimeter of the square is equal to the perimeter of a circle. What is the radius of the circle in centimeters?

<gadget id="calculator">4 / 3.14 / 2</gadget>
<output>0.636943</output>
<gadget id="calculator">25.12 * 0.636943</gadget>
<output>16.000008</output>
<result>16.000008</result>


一支笔卖1.5元，一个文具盒比笔的5倍还贵1元，请问买一个文具盒多少钱？

A pen sells for 1.5 yuan, and a pencil case costs 1 yuan more than five times the price of a pen. How much does it cost to buy a pencil case?

<gadget id="calculator">1.5 * 5</gadget>
<output>7.5</output>
<gadget id="calculator">7.5 + 1</gadget>
<output>8.5</output>
<result>8.5</result>


格力电器公司10月份生产空调4900台，比原计划多(1/6)，原计划生产多少台空调？

Gree Electric Appliances produced 4,900 air conditioners in October, which was 1/6 more than the original plan. How many air conditioners were originally planned to be produced?

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</output>
<gadget id="calculator">4_900 / (7/6)</gadget>
<output>4_200</output>
<result>4_200</result>


把21棵树栽成一个三角形(顶点也要栽树)，使每条边上的树的棵树相等，每条边上有多少棵树．

Plant 21 trees into a triangle (the vertices should also be planted), so that the number of trees on each side is equal, and how many trees are there on each side.

<gadget id="calculator">21 - 3</gadget>
<output>18</output>
<gadget id="calculator">18 / 3</gadget>
<output>6</output>
<gadget id="calculator">6 + 2</gadget>
<output>8</output>
<result>8</result>


<gadget id="calculator">5 / 32</gadget>
<output>5/32 = around 0.15625</output>
<gadget id="calculator">32 * (5/32) * 5</gadget>
<output>25</output>
<result>25</result>


用一根长24分米的铁丝围成一个等腰三角形，如果腰比底边长3分米，那么这个三角形的底边长是多少分米？

An isosceles triangle is formed by an iron wire with a length of 24 decimeters. If the waist is 3 decimeters longer than the base, then how many decimeters is the length of the base of this triangle?

<gadget id="calculator">2 * 3</gadget>
<output>6</output>
<gadget id="calculator">24 - 6</gadget>
<output>18</output>
<gadget id="calculator">1 + 2</gadget>
<output>3</output>
<gadget id="calculator">18 / 3</gadget>
<output>6</output>
<result>6</result>


有三个连续偶数，其中最小偶数是最大的(4/5)，这三个偶数中最小的偶数是多少．

There are three consecutive even numbers, among which the smallest even number is the largest (4/5), what is the smallest even number among these three even numbers.

<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">4 / (1/5)</gadget>
<output>20</output>
<gadget id="calculator">20 * (4/5)</gadget>
<output>16</output>
<result>16</result>


<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">100 + 1</gadget>
<output>101</output>
<gadget id="calculator">(1/2) * 100 * 101</gadget>
<output>5_050</output>
<result>5_050</result>


一个正方体的棱长总和是48cm，它的体积是多少立方厘米．

If the sum of the lengths of the sides of a cube is 48 cm, what is its volume in cubic centimeters?

<gadget id="calculator">48 / 12</gadget>
<output>4</output>
<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>
<result>64</result>


两个数的和是503，一个数是275，另一个数是多少．

The sum of two numbers is 503, one number is 275, what is the other number.

<gadget id="calculator">503 - 275</gadget>
<output>228</output>
<result>228</result>


小军在做一道减法题时真粗心，把被减数个位上的3错写成了8，把十位上的0写成了6，这样算得的差是321，那么正确的答案是多少？

Xiaojun was really careless when doing a subtraction problem. He wrote 8 for the 3 in the ones place of the subtrahend, and 6 for the 0 in the tens place. The calculated difference is 321. What is the correct answer?

<gadget id="calculator">8 - 3</gadget>
<output>5</output>
<gadget id="calculator">60 - 0</gadget>
<output>60</output>
<gadget id="calculator">321 - 5 - 60</gadget>
<output>256</output>
<result>256</result>


一个长方形和正方形的周长相等．正方形的边长是6厘米，长方形的长是8厘米，你知道这个长方形的宽是多少厘米吗？

A rectangle and a square have the same perimeter. The side length of the square is 6 cm, and the length of the rectangle is 8 cm. Do you know the width of the rectangle in cm?

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">6 * 2</gadget>
<output>12</output>
<gadget id="calculator">12 - 8</gadget>
<output>4</output>
<result>4</result>


一个闹钟的价钱是80元，一块电子手表的价钱是这个闹钟的3倍，这块手表的价钱是多少元．

The price of an alarm clock is 80 yuan, and the price of an electronic watch is three times that of the alarm clock. What is the price of this watch?

<gadget id="calculator">80 * 3</gadget>
<output>240</output>
<result>240</result>


甲乙两地相距259千米，客车和货车分别从甲乙两地同时出发，相向而行，货车每小时行36千米，客车每小时行38千米．两辆汽车开出2小时后，还要经过多少时间才能相遇？

The distance between A and B is 259 kilometers. A bus and a truck depart from A and B at the same time and drive towards each other. The truck travels 36 kilometers per hour, and the bus travels 38 kilometers per hour. After the two cars have driven for 2 hours, how much time must pass before they meet?

<gadget id="calculator">36 * 2</gadget>
<output>72</output>
<gadget id="calculator">38 * 2</gadget>
<output>76</output>
<gadget id="calculator">259 - 72 - 76</gadget>
<output>111</output>
<gadget id="calculator">36 + 38</gadget>
<output>74</output>
<gadget id="calculator">111 / 74</gadget>
<output>3/2 = around 1.5</output>
<result>3/2 = around 1.5</result>


在36名9岁的学生中，至少有多少名学生是同月出生的．

Among the 36 9-year-old students, at least how many students were born in the same month.

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


一个长方形周长120米，长和宽的比是8：7，这个长方形的面积是多少平方米？

The perimeter of a rectangle is 120 meters, and the ratio of length to width is 8:7. What is the area of the rectangle?

<gadget id="calculator">120 / 2</gadget>
<output>60</output>
<gadget id="calculator">8 + 7</gadget>
<output>15</output>
<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>
<gadget id="calculator">60 * (8/15)</gadget>
<output>32</output>
<gadget id="calculator">7 / 15</gadget>
<output>7/15 = around 0.466667</output>
<gadget id="calculator">60 * (7/15)</gadget>
<output>28</output>
<gadget id="calculator">32 * 28</gadget>
<output>896</output>
<result>896</result>


一个两位数，十位上的数字比个位上的数字大5，如果把十位上的数字与个位上的数字换位置，那么得到的新两位数比原来的两位数的一半还少9，那么原来的两位数是多少．

For a two-digit number, the number in the tens place is 5 greater than the number in the ones place. If the number in the tens place and the number in the ones place are exchanged, the new two-digit number obtained is half of the original two-digit number 9 is still missing, so what is the original two-digit number.


一根铁丝围成一个长16厘米，宽9厘米的长方形，改成一个正方形，求正方形的面积是多少平方厘米？

A piece of iron wire forms a rectangle with a length of 16 cm and a width of 9 cm, which is changed into a square. What is the area of the square in square centimeters?

<gadget id="calculator">16 + 9</gadget>
<output>25</output>
<gadget id="calculator">25 * 2</gadget>
<output>50</output>
<gadget id="calculator">50 / 4</gadget>
<output>25/2 = around 12.5</output>
<gadget id="calculator">(25/2) * (25/2)</gadget>
<output>625/4 = around 156.25</output>
<result>625/4 = around 156.25</result>


珠穆朗玛峰的海拔高度是8848米，太平洋里一艘潜水艇的海拔高度是-100米．这两地的落差是多少米？

The altitude of Mount Everest is 8848 meters, and the altitude of a submarine in the Pacific Ocean is -100 meters. What is the difference in meters between the two places?

<gadget id="calculator">8_848 - (-100)</gadget>
<output>8_948</output>
<result>8_948</result>


单独完成一项工程，甲队要20天，乙队要30天，甲队先独做5天后，乙队又参加工作，还要多少天完成任务？

It takes team A 20 days to complete a project alone, and team B 30 days. After team A works alone for 5 days, team B joins the work again. How many days will it take to complete the task?

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">(1/20) * 5</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 / 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">(3/4) / (1/12)</gadget>
<output>9</output>
<result>9</result>


星期天，小明的爸爸在河里钓了一条鲫鱼和一条鲤鱼，一共重2千克，其中鲤鱼重(3/2)千克，鲫鱼比鲤鱼轻多少千克？

On Sunday, Xiao Ming's father caught a crucian carp and a carp in the river, which weighed 2 kilograms in total, and the carp weighed (3/2) kilograms. How much lighter is the crucian carp than the carp?

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">2 - (3/2)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(3/2) - (1/2)</gadget>
<output>1</output>
<result>1</result>


甲数是10.9，比乙数多0.852，甲、乙两数的和是多少．

A's number is 10.9, which is 0.852 more than B's number. What is the sum of A's and B's numbers?

<gadget id="calculator">10.9 - 0.852</gadget>
<output>10.048</output>
<gadget id="calculator">10.048 + 10.9</gadget>
<output>20.948</output>
<result>20.948</result>


学校开运动会，三1班参加跳绳比赛的有12人，参加踢毽子比赛的有8人，两种比赛都参加的有4人，这两项活动共有多少人参加．

The school holds a sports meeting. There are 12 people from Class 31 participating in the rope skipping competition, 8 people participating in the shuttlecock kicking competition, and 4 people participating in both competitions. How many people participated in these two activities?

<gadget id="calculator">8 - 4</gadget>
<output>4</output>
<gadget id="calculator">12 + 4</gadget>
<output>16</output>
<result>16</result>


在比例尺1：6000000的地图上，量的南京到北京的距离为15厘米．一辆火车以每小时100千米的速度从南京开往北京，几小时能到达？

On a map with a scale of 1:6000000, the measured distance from Nanjing to Beijing is 15 cm. A train travels from Nanjing to Beijing at a speed of 100 kilometers per hour. How long does it take to get there?

<gadget id="calculator">1 / 6_000_000</gadget>
<output>1/6_000_000 = around 0</output>
<gadget id="calculator">15 / (1/6_000_000) / 100_000 / 100</gadget>
<output>9</output>
<result>9</result>


一幢楼房20层高，相邻两层有15级台阶，某人从1层到20层，要走多少级台阶．

A building is 20 stories high, and there are 15 steps on two adjacent floors. How many steps does a person need to walk from the 1st floor to the 20th floor?

<gadget id="calculator">20 - 1</gadget>
<output>19</output>
<gadget id="calculator">15 * 19</gadget>
<output>285</output>
<result>285</result>


<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">(4/15) + (5/6)</gadget>
<output>11/10 = around 1.1</output>
<result>11/10 = around 1.1</result>


一块长方形地靠着一面墙，用篱笆围一个长51米，宽26米的长方形地，至少要用多长的篱笆？

A rectangular piece of land leans against a wall and surrounds a rectangular piece of land with a length of 51 meters and a width of 26 meters with a fence. What is the minimum length of the fence?

<gadget id="calculator">26 * 2</gadget>
<output>52</output>
<gadget id="calculator">52 + 51</gadget>
<output>103</output>
<result>103</result>


在括号里填上适当的数，使不等式成立：(4/13)＞多少＞(3/13)．

Fill in the appropriate numbers in the brackets to make the inequality true: (4/13)>how much>(3/13).

<gadget id="calculator">7 / 26</gadget>
<output>7/26 = around 0.269231</output>
<result>7/26 = around 0.269231</result>


农场收割水稻，5天收割280公顷．照这样计算，再割3.5天，前后一共可收割水稻多少公顷？(用比例解)

The farm harvested rice and harvested 280 hectares in 5 days. According to this calculation, after another 3.5 days of cutting, how many hectares of rice can be harvested in total? (Solve with ratio)

<gadget id="calculator">280 / 5</gadget>
<output>56</output>
<gadget id="calculator">56 * 5</gadget>
<output>280</output>
<gadget id="calculator">56 * 3.5</gadget>
<output>196</output>
<gadget id="calculator">280 + 196</gadget>
<output>476</output>
<result>476</result>


一条路全长是30千米，分成上坡、平路、下坡三段，各段路程的长度之比是1：2：3，刘叔叔骑车经过各段路所用时间之比是3：4：5．已知他在平路上骑车速度是25千米．他行完全程用了多长时间？

road with a total length of 30 kilometers is divided into three sections: uphill, flat, and downhill. The ratio of the lengths of each section is 1:2:3. The ratio of the time it takes for Uncle Liu to cycle through each section is 3: 4:5. It is known that he is cycling at a speed of 25 kilometers on a flat road. How long did it take him to complete the trip?

<gadget id="calculator">1 + 2 + 3</gadget>
<output>6</output>
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">3 + 4 + 5</gadget>
<output>12</output>
<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/3) / 25 / (1/3)</gadget>
<output>1/25 = around 0.04</output>
<gadget id="calculator">30 * (1/25)</gadget>
<output>6/5 = around 1.2</output>
<result>6/5 = around 1.2</result>


2010年5月1日第41届世博会将在上海开幕，截至2009年5月参加国家数已比2005年日本爱知世博会的2倍少4个，2005年日本爱知世博会有121个国家参加，目前已有多少个国家参加上海世博会？

The 41st World Expo will open in Shanghai on May 1, 2010. As of May 2009, the number of participating countries has been 4 less than twice that of the 2005 Aichi World Expo in Japan. 121 countries participated in the 2005 Aichi World Expo in Japan. How many countries have participated in the Shanghai World Expo so far?

<gadget id="calculator">121 * 2</gadget>
<output>242</output>
<gadget id="calculator">242 - 4</gadget>
<output>238</output>
<result>238</result>


小明和小华共收集邮票171枚，已知小明邮票数的(1/4)和小华邮票数的(1/5)相等，则小明的邮票数是多少枚

Xiao Ming and Xiao Hua collected 171 stamps in total. It is known that (1/4) of Xiao Ming’s stamps is equal to (1/5) of Xiao Hua’s stamps, so how many stamps does Xiao Ming have

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/4) / (1/5)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">1 + (5/4)</gadget>
<output>9/4 = around 2.25</output>
<gadget id="calculator">171 / (9/4)</gadget>
<output>76</output>
<result>76</result>


妈妈9小时做27个零件，再做3小时全部做完，妈妈一共要做多少个零件？

Mom made 27 parts in 9 hours, and finished them all in 3 hours. How many parts did mother make in total?

<gadget id="calculator">27 / 9</gadget>
<output>3</output>
<gadget id="calculator">3 * 3</gadget>
<output>9</output>
<gadget id="calculator">27 + 9</gadget>
<output>36</output>
<result>36</result>


做5个棱长是8米的无盖正方体木盒，需木板多少平方米？

How many square meters of wooden boards are needed to make 5 cubic wooden boxes without a cover whose edge length is 8 meters?

<gadget id="calculator">8 * 8 * 5 * 5</gadget>
<output>1_600</output>
<result>1_600</result>


一个三位数除以46，商是A，余数是B，(A、B都是自然数)，那么A+B的最大值是多少．

When a three-digit number is divided by 46, the quotient is A and the remainder is B, (A and B are both natural numbers), then what is the maximum value of A+B?

<gadget id="calculator">20 + 45</gadget>
<output>65</output>
<result>65</result>


一台电扇的价格是90元，一台空调的价格比一台电扇价格的45倍还多26元，一台空调的价格是多少？

The price of an electric fan is 90 yuan, and the price of an air conditioner is 26 yuan more than 45 times the price of an electric fan. How much is the price of an air conditioner?

<gadget id="calculator">90 * 45</gadget>
<output>4_050</output>
<gadget id="calculator">4_050 + 26</gadget>
<output>4_076</output>
<result>4_076</result>


从18.3里减去4.5的4倍，所得的差被3除，结果是多少？

Subtract 4 times 4.5 from 18.3 and divide the difference by 3. What is the result?

<gadget id="calculator">4.5 * 4</gadget>
<output>18</output>
<gadget id="calculator">18.3 - 18</gadget>
<output>0.3</output>
<gadget id="calculator">3 / 0.3</gadget>
<output>10</output>
<result>10</result>


一项工程，甲工程队单独做需要20天，乙工程单独做需要30天．甲队先单独做5天后，乙队再加入，剩下的工程两队合作，还需要几天完成？

For a project, it takes 20 days for project A to do it alone, and 30 days for project B to do it alone. Team A works alone for 5 days, and then Team B joins in. How many days will it take for the remaining projects to be completed by the two teams?

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">(1/20) * 5</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 / 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">(3/4) / (1/12)</gadget>
<output>9</output>
<result>9</result>


一个数的(1/2)是36，这个数的(7/12)是多少．

(1/2) of a number is 36, what is (7/12) of this number.

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">36 / (1/2)</gadget>
<output>72</output>
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>
<gadget id="calculator">72 * (7/12)</gadget>
<output>42</output>
<result>42</result>


一块地，种青菜用去它的(1/6)，种萝卜用去它的(3/8)，其余的种白菜．种白菜用去这块地的几分之几？种青菜和白菜一共用去这块地的几分之几？

In a piece of land, (1/6) is used for growing vegetables, (3/8) is used for growing radishes, and the rest is used for growing cabbage. How much of this land is used for growing cabbage? What percentage of the land is used for growing green vegetables and cabbage?

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<result>5/8 = around 0.625</result>


甲、乙二人同时加工1200个零件，计划6小时完成，甲每小时加工80个零件，要按时完工，乙每小时要加工多少个零件？(列方程解决问题)

A and B process 1200 parts at the same time, and the plan is to complete it in 6 hours. A processes 80 parts per hour. To complete the work on time, how many parts does B need to process per hour? (column equations to solve problems)

<gadget id="calculator">80 * 6</gadget>
<output>480</output>
<gadget id="calculator">1_200 - 480</gadget>
<output>720</output>
<gadget id="calculator">720 / 6</gadget>
<output>120</output>
<result>120</result>


甲、乙两数的平均数是(7/15)，乙是甲的3倍，乙是多少．

The average of the two numbers of A and B is (7/15), and B is 3 times that of A. What is B?

<gadget id="calculator">7 / 15</gadget>
<output>7/15 = around 0.466667</output>
<gadget id="calculator">1 + 3</gadget>
<output>4</output>
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(7/15) * (1/2) * 3</gadget>
<output>7/10 = around 0.7</output>
<result>7/10 = around 0.7</result>


农村信用社整存整取5年期利率是5.5%，张红把他的压岁钱400元存入信用社5年，到期时他可以取回多少元．

The 5-year interest rate of lump sum deposit and withdrawal in rural credit cooperatives is 5.5%. Zhang Hong deposits his lucky money of 400 yuan in the credit union for 5 years. How much yuan can he get back when it expires?

<gadget id="calculator">5.5 / 100</gadget>
<output>0.055</output>
<gadget id="calculator">400 * 0.055 * 5</gadget>
<output>110</output>
<gadget id="calculator">400 + 110</gadget>
<output>510</output>
<result>510</result>


在首届英语阅读大赛中，五1班有15人获奖，占五年级获奖人数的(1/8)；五年级获奖人数占全校获奖人数的(2/9)．全校有多少人获奖？

In the first English reading competition, 15 students from Class 51 won the prizes, accounting for (1/8) of the number of winners in the fifth grade; the number of winners in the fifth grade accounted for (2/9) of the total number of winners in the school. How many people in the school have won the award?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">15 / (1/8) / (2/9)</gadget>
<output>540</output>
<result>540</result>


<gadget id="calculator">1 + 98</gadget>
<output>99</output>
<gadget id="calculator">98 / 2</gadget>
<output>49</output>
<gadget id="calculator">99 * 49</gadget>
<output>4_851</output>
<gadget id="calculator">4_851 / 99</gadget>
<output>49</output>
<result>49</result>


一辆送货汽车拉了280箱面包，平均送到9个零售点后，还剩10箱，平均每个零售点送几箱面包？

A delivery car pulls 280 boxes of bread, and after being delivered to 9 retail outlets on average, there are 10 boxes left. How many boxes of bread are delivered to each retail outlet on average?

<gadget id="calculator">270 / 9</gadget>
<output>30</output>
<result>30</result>


<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">(1/6) + (2/7)</gadget>
<output>19/42 = around 0.452381</output>
<result>19/42 = around 0.452381</result>


食堂的王师傅把4升油平均装在8个油壶里，平均每个油壶装多少毫升？

Master Wang in the cafeteria puts 4 liters of oil in 8 oil pots on average. How many milliliters are in each oil pot?

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


一张长方形纸，宽10厘米，长是宽的2倍，周长是多少厘米？

A rectangular piece of paper is 10 centimeters wide and twice as long as it is wide, what is the circumference in centimeters?

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


学校食堂买来1200千克大米，3天吃了150千克，照这样的吃法，剩下的几天吃完？(用比例解)

The school cafeteria bought 1200 kilograms of rice and ate 150 kilograms in 3 days. According to this way of eating, how many days will the rest be eaten? (Solve with ratio)

<gadget id="calculator">1_200 - 150</gadget>
<output>1_050</output>
<gadget id="calculator">150 / 3</gadget>
<output>50</output>
<gadget id="calculator">1_050 / 50</gadget>
<output>21</output>
<result>21</result>


甲、乙两人以同样速度从A地到B地，甲先行一段路程后，乙才出发，甲又行45千米到达了B地，立即原路返回，行到全程的(1/7)处与乙相遇，AB两地相距多少千米？

and B travel from A to B at the same speed. A travels a certain distance before B sets off. A travels another 45 kilometers to reach B. He returns to the original road immediately and reaches (1/7) of the whole journey. Place meets B, how many kilometers is the distance between AB and AB?

<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<gadget id="calculator">(6/7) - (1/7)</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">45 / (5/7)</gadget>
<output>63</output>
<result>63</result>


<gadget id="calculator">17.28 / 4.8</gadget>
<output>3.6</output>
<result>3.6</result>


AB两车同时从甲、乙两站相向而行，第一次相遇在离甲站30千米的地方，两车以原速继续前行，到站后立即返回，又在离乙站10千米的地方相遇．两站相距多少千米？

Cars A and B are traveling toward each other from Station A and Station B at the same time. They meet for the first time at a place 30 kilometers away from Station A. The two cars continue to move forward at the original speed, return immediately after arriving at Station B, and are 10 kilometers away from Station B. met at a distance of meters. How many kilometers are the two stations apart?

<gadget id="calculator">30 * 3</gadget>
<output>90</output>
<gadget id="calculator">90 - 10</gadget>
<output>80</output>
<result>80</result>


一块周长是12分米的正方形手帕，它的边长是多少分米．

A square handkerchief whose circumference is 12 decimeters, what is its side length in decimeters?

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


人民路小学建造新教学楼，原计划投资68万元，实际投资比计划增加20%，实际投资多少万元？(列综合算式解)

Renmin Road Primary School built a new teaching building. The original plan was to invest 680,000 yuan, but the actual investment was 20% higher than the plan. How much was the actual investment? (Column comprehensive formula solution)

<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">68 * (6/5)</gadget>
<output>408/5 = around 81.6</output>
<result>408/5 = around 81.6</result>


甲乙两袋大米，甲是乙的(3/4)，乙比甲多24千克，两袋共重多少千克？(至少用两种方法解答)

A and B have two bags of rice, A belongs to B (3/4), and B is 24 kg more than A, how much does the two bags weigh in total? (answer in at least two ways)

<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">24 / (1/4)</gadget>
<output>96</output>
<gadget id="calculator">96 - 24</gadget>
<output>72</output>
<gadget id="calculator">72 + 96</gadget>
<output>168</output>
<result>168</result>


<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>
<result>1/100 = around 0.01</result>


一桶油用去一部分后，还剩15千克，剩下的是这桶油的(3/5)，这桶油共重多少千克？

After part of a barrel of oil is used up, there are 15 kilograms left, and the rest is (3/5) of this barrel of oil. How many kilograms does this barrel of oil weigh?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">15 / (3/5)</gadget>
<output>25</output>
<result>25</result>


一个除法算式，如果除数是11，余数最大可能是多少

division expression, if the divisor is 11, what is the maximum possible remainder

<gadget id="calculator">11 - 1</gadget>
<output>10</output>
<result>10</result>


一块长方形果园，它的长是120米，宽比长短40米，果园的占地面积是多少平方米？

A rectangular orchard has a length of 120 meters and a width ratio of 40 meters to its length. What is the area of the orchard in square meters?

<gadget id="calculator">120 - 40</gadget>
<output>80</output>
<gadget id="calculator">120 * 80</gadget>
<output>9_600</output>
<result>9_600</result>


菜店运来1吨大白菜，上午卖出400千克，下午全部卖完．下午卖出大白菜多少千克？

The vegetable store shipped 1 ton of Chinese cabbage, sold 400 kilograms in the morning, and sold out in the afternoon. How many kilograms of Chinese cabbage did you sell in the afternoon?

<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>
<gadget id="calculator">1_000 - 400</gadget>
<output>600</output>
<result>600</result>


李刚将2万元钱存入银行，定期一年，年利率2.25%，到期可获得税后利息多少元．

Li Gang deposits 20,000 yuan in the bank for a fixed term of one year, with an annual interest rate of 2.25%. How much after-tax interest can he get when he matures?

<gadget id="calculator">2 * 10_000</gadget>
<output>20_000</output>
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</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">20_000 * 0.0225 * 1 * (4/5)</gadget>
<output>360</output>
<result>360</result>


一个分数，在它的分子上加一个数，这个分数就等于(7/9)，如果在它的分子上减去同一个数，这个分数就等于(3/5)，求这个分数．

For a fraction, if a number is added to its numerator, the fraction is equal to (7/9). If the same number is subtracted from its numerator, the fraction is equal to (3/5). Find this fraction.

<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(7/9) + (3/5)</gadget>
<output>62/45 = around 1.377778</output>
<gadget id="calculator">(62/45) / 2</gadget>
<output>31/45 = around 0.688889</output>
<result>31/45 = around 0.688889</result>


一个圆柱形的蓄水池，底面直径是2米，深2米，在池的内壁与底面抹水泥，抹水泥部分的面积是多少？

A cylindrical cistern has a bottom diameter of 2 meters and a depth of 2 meters. The inner wall and bottom of the pool are plastered with cement. What is the area of the cemented part?

<gadget id="calculator">3.14 * 2 * 2</gadget>
<output>12.56</output>
<gadget id="calculator">2 / 2</gadget>
<output>1</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1</gadget>
<output>3.14</output>
<gadget id="calculator">12.56 + 3.14</gadget>
<output>15.7</output>
<result>15.7</result>


一个长方体的长、宽、高的比是6：4：2，已知这个长方体的长是12分米，这个长方体的体积是多少．

The ratio of length, width and height of a cuboid is 6:4:2. It is known that the length of this cuboid is 12 decimeters. What is the volume of this cuboid?

<gadget id="calculator">12 / 6</gadget>
<output>2</output>
<gadget id="calculator">12 * 2 * 4 * 2 * 2</gadget>
<output>384</output>
<result>384</result>


一篮苹果，分给小米3个，小乔3个，小兰4个，正好分完．小乔和小兰一共分到的苹果是总数的多少

A basket of apples, 3 for Xiaomi, 3 for Xiao Qiao, 4 for Xiao Lan, just finished. What is the total number of apples shared by Xiao Qiao and Xiao Lan

<gadget id="calculator">3 + 4</gadget>
<output>7</output>
<gadget id="calculator">3 + 3 + 4</gadget>
<output>10</output>
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>
<result>7/10 = around 0.7</result>


幸福村要修一条400米长的水渠，已经修了250米，还剩百分之几没有修？

Xingfu Village needs to build a 400-meter-long canal, and 250 meters have been built. What percentage is left?

<gadget id="calculator">400 - 250</gadget>
<output>150</output>
<gadget id="calculator">150 / 400</gadget>
<output>3/8 = around 0.375</output>
<result>3/8 = around 0.375</result>


(2/3)的分子乘5，要使分数的大小不变，分母应当变成多少．

The numerator of (2/3) is multiplied by 5, what should be the denominator to keep the size of the fraction constant.

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


超市运来一批水果，苹果占30%，梨占40%，苹果比梨少多少

The supermarket shipped a batch of fruits, apples accounted for 30%, pears accounted for 40%, how much less apples than pears

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">30 / 100</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">(1/10) / (2/5)</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


14个小朋友围坐一圈做游戏，从其中选出2个不相邻的同学，几种取法？

14 children sit in a circle and play a game, and choose 2 non-adjacent classmates from them. How many ways to choose?

<gadget id="calculator">14 - 3</gadget>
<output>11</output>
<gadget id="calculator">14 / 2</gadget>
<output>7</output>
<gadget id="calculator">11 * 7</gadget>
<output>77</output>
<result>77</result>


一个平行四边形的面积为10平方米，则与它等底等高的三角形面积是多少平方米．

If the area of a parallelogram is 10 square meters, what is the area of a triangle with the same base and height in square meters?

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


一张长24厘米，宽18厘米的长方形纸，要分成若干个最大正方形而没有剩余，能分成多少个这样的正方形．

A piece of rectangular paper with a length of 24 cm and a width of 18 cm can be divided into the largest number of squares without any residue. How many such squares can be divided into?

<gadget id="calculator">2 * 3</gadget>
<output>6</output>
<gadget id="calculator">24 / 6</gadget>
<output>4</output>
<gadget id="calculator">18 / 6</gadget>
<output>3</output>
<gadget id="calculator">4 * 3</gadget>
<output>12</output>
<result>12</result>


金鸻(héng)鸟迁徒时，途中可以不停留飞行40小时达3600千米，被称为鸟类中的"马拉松"冠军，它平均每小时飞行多少千米？

When the golden plover (héng) migrates, it can fly 3,600 kilometers for 40 hours without stopping on the way. It is known as the "marathon" champion among birds. How many kilometers does it fly on average per hour?

<gadget id="calculator">3_600 / 40</gadget>
<output>90</output>
<result>90</result>


有一套童话选，上册有292千字，下册有284千字．四年级小学生正在使用的数学教科书(上册)约有80千字，一套童话选的字数相当于多少本四年级数学教科书的字数？

There is a collection of fairy tales, the first volume has 292,000 words, and the second volume has 284,000 words. The mathematics textbook (volume 1) used by the fourth-grade pupils has about 80,000 words. How many words in a set of fairy tales are equivalent to the number of words in the fourth-grade mathematics textbook?

<gadget id="calculator">292 + 284</gadget>
<output>576</output>
<gadget id="calculator">576 / 80</gadget>
<output>36/5 = around 7.2</output>
<result>36/5 = around 7.2</result>


一个数的(2/3)是12，求这个数是多少的正确列式为多少

(2/3) of a number is 12, what is the correct formula for finding this number

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">12 / (2/3)</gadget>
<output>18</output>
<result>18</result>


从北京到上海的铁路长约6400千米，现在一列火车已走了600千米，如果这列火车每小时行58千米，还有几小时火车到达终点？

The railway from Beijing to Shanghai is about 6,400 kilometers long. Now a train has traveled 600 kilometers. If the train travels 58 kilometers per hour, how many hours will it take for the train to reach the destination?

<gadget id="calculator">6_400 - 600</gadget>
<output>5_800</output>
<gadget id="calculator">5_800 / 58</gadget>
<output>100</output>
<result>100</result>


"实验小学"501班今天出席47人，缺席3人，出席人数占全班人数的多少

Class 501 of "Experimental Primary School" had 47 people present today, and 3 people were absent. How many people attended the class?

<gadget id="calculator">47 + 3</gadget>
<output>50</output>
<gadget id="calculator">47 / 50</gadget>
<output>47/50 = around 0.94</output>
<result>47/50 = around 0.94</result>


一件上衣180元，裤子的价格是上衣的(4/5)，一套衣服的价格是多少元？

A jacket is 180 yuan, and the price of trousers is that of the jacket (4/5). How much is the price of a suit of clothes?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">180 * (4/5)</gadget>
<output>144</output>
<gadget id="calculator">144 + 180</gadget>
<output>324</output>
<result>324</result>


如果甲：乙=4：5，那么甲比乙少多少．

If A: B=4:5, then how much less A is than B.

<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>


水平桌面上放着高度都为10厘米的两个圆柱形容器A和B，在它们高度的一半处有一连通管相连(连通管的容积忽略不计)，容器A、B底面直径分别为10厘米和16厘米．关闭连通管，10秒钟可注满容器B，如果打开连通管，水管向B容器注水6秒钟后，容器A中水的高度是多少呢？(π取3.14)

Two cylindrical containers A and B with a height of 10 cm are placed on a horizontal table, connected by a connecting pipe at half of their height (the volume of the connecting pipe is ignored), the diameters of the bottom surfaces of containers A and B are 10 cm and 10 cm respectively. 16 cm. Close the connecting pipe, and container B can be filled in 10 seconds. If the connecting pipe is opened, and the water pipe fills container B with water for 6 seconds, what is the height of the water in container A? (π takes 3.14)

<gadget id="calculator">16 / 2</gadget>
<output>8</output>
<gadget id="calculator">8 ** 2</gadget>
<output>64</output>
<gadget id="calculator">3.14 * 64 * 10</gadget>
<output>2_009.6</output>
<gadget id="calculator">6 - 5</gadget>
<output>1</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">2_009.6 * (1/10)</gadget>
<output>200.96</output>
<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">3.14 * 25</gadget>
<output>78.5</output>
<gadget id="calculator">200.96 / 78.5</gadget>
<output>2.56</output>
<result>2.56</result>


小兰看一本书，两天后，还剩全书的(7/18)．已知小兰第一天看了30页，与第二天看的页数的比是5：6，求这本书有多少页？

Xiaolan reads a book, and after two days, there is still the whole book (7/18). It is known that Xiaolan read 30 pages on the first day, and the ratio of the number of pages she read on the second day is 5:6. How many pages does this book have?

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">30 * (6/5)</gadget>
<output>36</output>
<gadget id="calculator">30 + 36</gadget>
<output>66</output>
<gadget id="calculator">7 / 18</gadget>
<output>7/18 = around 0.388889</output>
<gadget id="calculator">1 - (7/18)</gadget>
<output>11/18 = around 0.611111</output>
<gadget id="calculator">66 / (11/18)</gadget>
<output>108</output>
<result>108</result>


学习舞蹈组有45人，书法组的人数是舞蹈组的(2/3)，又是信息组的(5/6)，信息组有多少人？

There are 45 people in the dance learning group. The number of people in the calligraphy group is (2/3) of the dance group and (5/6) of the information group. How many people are there in the information group?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">(2/3) / (5/6)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">45 * (4/5)</gadget>
<output>36</output>
<result>36</result>


一项工程，甲队单独完成需12天，乙队单独完成需18天．现要求10天完成，则甲、乙两队至少要合作多少天？

A project can be completed by team A alone in 12 days and by team B in 18 days. It is now required to be completed in 10 days, how many days should teams A and B cooperate at least?

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">(1/12) * 10</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 / 18</gadget>
<output>1/18 = around 0.055556</output>
<gadget id="calculator">(1/6) / (1/18)</gadget>
<output>3</output>
<result>3</result>


<gadget id="calculator">9 * 2</gadget>
<output>18</output>
<gadget id="calculator">9 + 2</gadget>
<output>11</output>
<gadget id="calculator">18 - 11</gadget>
<output>7</output>
<gadget id="calculator">6 * 7</gadget>
<output>42</output>
<gadget id="calculator">6 + 7</gadget>
<output>13</output>
<gadget id="calculator">42 - 13</gadget>
<output>29</output>
<result>29</result>


一个运输队要运331.63吨粮食，第一天运了76.63吨，剩下的3天运完，平均每天要运多少吨？

A transport team needs to transport 331.63 tons of grain, 76.63 tons were transported on the first day, and the remaining 3 days are finished. How many tons will be transported on average per day?

<gadget id="calculator">331.63 - 76.63</gadget>
<output>255</output>
<gadget id="calculator">255 / 3</gadget>
<output>85</output>
<result>85</result>


<gadget id="calculator">7 / 4</gadget>
<output>7/4 = around 1.75</output>
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">4 - (7/4) - (5/8)</gadget>
<output>13/8 = around 1.625</output>
<result>13/8 = around 1.625</result>


一块长方形运动场，长150米，宽100米．在一幅比例尺是1：2500的平面图上，这块长方形运动场的面积是多少平方厘米？

A rectangular playground is 150 meters long and 100 meters wide. On a plan with a scale of 1:2500, what is the area of this rectangular playground in square centimeters?


小明，小亮分别从甲乙两地同时出发，相向而行，他们分别到达乙地，甲地后立即返回，第一次相遇处离甲地340米，第二次相遇离乙地170米，甲乙两地相距多少米？

Xiaoming and Xiaoliang set off from places A and B at the same time and walk towards each other. They respectively arrive at point B. They return immediately after point A. The place where they meet for the first time is 340 meters away from point A, and the place where they meet for the second time is 170 meters away from point B. A and B How many meters are the distance between the two places?

<gadget id="calculator">340 * 3</gadget>
<output>1_020</output>
<gadget id="calculator">1_020 - 170</gadget>
<output>850</output>
<result>850</result>


一种水管每米重6千克，每根长8米．运这样的水管140根，用一辆载重6吨的货车一次可以运完吗？

A water pipe weighs 6 kg per meter and is 8 meters long. Can such 140 water pipes be transported at once with a truck with a load of 6 tons?


一种防非典的消毒药水是用药粉和水按5：100配制而成的，现有药粉10.5千克，需加水多少千克？(用比例知识解答)

A anti-SARS disinfectant is prepared by mixing medicine powder and water at a ratio of 5:100. The existing medicine powder is 10.5 kilograms. How many kilograms of water should be added? (Answer with proportional knowledge)

<gadget id="calculator">100 * 10.5</gadget>
<output>1_050</output>
<gadget id="calculator">1_050 / 5</gadget>
<output>210</output>
<result>210</result>


一种大型庆典每隔5年举行一次，前5年的年份的和是9795．这种庆典的第一次是在多少年举行．

A large-scale celebration is held every five years, and the sum of the previous five years is 9795. In what year was the first such celebration held?

<gadget id="calculator">9_795 - 5 - 10 - 15 - 20</gadget>
<output>9_745</output>
<gadget id="calculator">1 + 1 + 1 + 1 + 1</gadget>
<output>5</output>
<gadget id="calculator">9_745 / 5</gadget>
<output>1_949</output>
<result>1_949</result>


小强期中考试语文和数学的平均分是92分，如果要使语文、数学、自然三科的平均分达到94分，他的自然必须考多少分．

Xiaoqiang's average score in Chinese and mathematics in the mid-term exam is 92 points. If he wants to achieve an average score of 94 points in Chinese, mathematics, and science, how many points should he naturally take?

<gadget id="calculator">94 * 3</gadget>
<output>282</output>
<gadget id="calculator">92 * 2</gadget>
<output>184</output>
<gadget id="calculator">282 - 184</gadget>
<output>98</output>
<result>98</result>


每个三角形都是用三根小棒围成的，连着摆起来，要再摆15个这样的三角形，还需要多少根小棒．

Each triangle is surrounded by three small sticks, and if they are put together, how many sticks are needed to make 15 more triangles like this.

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


林华的妈妈去水果市场买水果．她先花9.5元买了2.5千克苹果，还准备买3千克橙子，橙子的单价是苹果的1.2倍．买橙子应付多少钱呢？

Lin Hua's mother went to the fruit market to buy fruit. She first bought 2.5 kilograms of apples for 9.5 yuan, and she is going to buy 3 kilograms of oranges. The unit price of oranges is 1.2 times that of apples. How much should I pay for oranges?

<gadget id="calculator">9.5 / 2.5</gadget>
<output>3.8</output>
<gadget id="calculator">3.8 * 1.2 * 3</gadget>
<output>13.68</output>
<result>13.68</result>


A、B两车同时从东西两站相向开出，A、B两车的速度比是4：3．两车相遇后，B车每小时比原来增加35千米，结果两车恰好同时到达目的地，问：A车每小时行多少千米？

Cars A and B drive towards each other from east and west stations at the same time, and the speed ratio of cars A and B is 4:3. After the two cars met, car B increased by 35 kilometers per hour than before. As a result, the two cars arrived at the destination at exactly the same time. Ask: How many kilometers does car A travel per hour?

<gadget id="calculator">3 + 4</gadget>
<output>7</output>
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">(4/7) / (3/7)</gadget>
<output>4/3 = around 1.333333</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">(4/3) - (3/4)</gadget>
<output>7/12 = around 0.583333</output>
<gadget id="calculator">35 / (7/12)</gadget>
<output>60</output>
<result>60</result>


一个圆锥形沙堆，底面直径20米，高6米，用这堆沙在10米宽的公路上堆10厘米厚的路面，能铺多少米长？

A cone-shaped sand pile has a diameter of 20 meters at the bottom and a height of 6 meters. How many meters can be paved with this pile of sand on a road 10 meters wide and 10 centimeters thick?

<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">10 * (1/10)</gadget>
<output>1</output>
<gadget id="calculator">(1/3) / 1</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">3.14 * 100 * 6 * (1/3)</gadget>
<output>628</output>
<result>628</result>


李明与王华身高的比是6：5，李明身高120cm；王华身高多少cm．

The height ratio of Li Ming and Wang Hua is 6:5, Li Ming is 120cm tall; what is the height of Wang Hua in cm.

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">120 / (6/5)</gadget>
<output>100</output>
<result>100</result>


2010年的温哥华冬奥会，中国体育代表团获得5枚金牌，是铜牌的(5/4)，获得银牌是金牌的(2/5)．中国体育代表团共获得多少枚奖牌？

In the Vancouver Winter Olympics in 2010, the Chinese sports delegation won 5 gold medals, bronze medals (5/4), silver medals and gold medals (2/5). How many medals did the Chinese sports delegation win?

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">5 / (5/4)</gadget>
<output>4</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">5 * (2/5)</gadget>
<output>2</output>
<gadget id="calculator">5 + 4 + 2</gadget>
<output>11</output>
<result>11</result>


李师傅把15米长的圆木锯成3米长的小段，每锯断一次要4分钟，共需多少分钟？

Master Li saws a 15-meter-long log into 3-meter-long pieces. It takes 4 minutes for each cut. How many minutes does it take in total?

<gadget id="calculator">15 / 3</gadget>
<output>5</output>
<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">4 * 4</gadget>
<output>16</output>
<result>16</result>


5个小朋友跳舞，每两人一组，最多有多少种分法．

5 children dance, each in a group of two, how many ways can there be at most?

<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">5 * 2</gadget>
<output>10</output>
<result>10</result>


Knowing that (2/(x))=(5/(y)), the following formulas hold ((x)/(y))=how many

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


杨叔叔将1万元存入银行，定期二年，如果年利率是3.65%，到期时可获得本金和利息共多少元(免利息税)．

Uncle Yang deposits 10,000 yuan in the bank for two years. If the annual interest rate is 3.65%, how much yuan will he get in principal and interest when it matures (interest tax-free).

<gadget id="calculator">3.65 / 100</gadget>
<output>0.0365</output>
<gadget id="calculator">10_000 * 0.0365 * 2</gadget>
<output>730</output>
<gadget id="calculator">10_000 + 730</gadget>
<output>10_730</output>
<result>10_730</result>


一项工程甲、乙两人合作20天才能完成，现在这个工程由甲、乙两人合作8天，余下的工程由甲独做36天才能完成，问余下的工程若由乙一人独做需几天才能完成？

It takes 20 days for A and B to complete a project. Now this project is 8 days for A and B. The rest of the project can be completed by A alone in 36 days. What if the rest of the project is done by B alone? How many days will it take to complete?

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">(1/20) * 8</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(3/5) / 36</gadget>
<output>1/60 = around 0.016667</output>
<gadget id="calculator">(1/20) - (1/60)</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(3/5) / (1/30)</gadget>
<output>18</output>
<result>18</result>


一个数乘以6(5/6)的积及除以(10/21)的商都是自然数，这样的数中，最小的一个是多少．

The product of a number multiplied by 6 (5/6) and the quotient divided by (10/21) are both natural numbers. Among such numbers, what is the smallest one?


一只熊猫重432千克，大象的体重量是熊猫的8.6倍，一只大象重多少千克？

A panda weighs 432 kilograms, and the weight of an elephant is 8.6 times that of a panda. How many kilograms does an elephant weigh?

<gadget id="calculator">432 * 8.6</gadget>
<output>3_715.2</output>
<result>3_715.2</result>


一项工程甲单独做要20天完成，乙单独做要30天完成，甲先做若干天后，有乙接着做6天正好完成．求甲先做了多少天？

A project alone takes 20 days to complete, and B alone takes 30 days to complete. After A works for a certain number of days, B can complete it in 6 days. How many days did you ask A to do first?

<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(1/30) * 6</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">(4/5) / (1/20)</gadget>
<output>16</output>
<result>16</result>


军犬的耐力是非常有名的，有关资料显示，第一次世界大战期间为传达命令，一只军犬用50分跑完了21.7km的路程，算一算，这只军犬平均每分跑多少米？

The endurance of military dogs is very famous. Relevant data show that during the First World War, in order to convey orders, a military dog ran a distance of 21.7km in 50 minutes. Calculate how much this military dog runs per minute rice?

<gadget id="calculator">1_000 / 50</gadget>
<output>20</output>
<gadget id="calculator">21.7 * 20</gadget>
<output>434</output>
<result>434</result>


<gadget id="calculator">95 * 38</gadget>
<output>3_610</output>
<gadget id="calculator">1 / 95</gadget>
<output>1/95 = around 0.010526</output>
<gadget id="calculator">62 / (1/95)</gadget>
<output>5_890</output>
<gadget id="calculator">3_610 + 5_890</gadget>
<output>9_500</output>
<result>9_500</result>


一枚一元硬币向上抛，落下后，"1元"朝上的可能性是多少

If a one-dollar coin is tossed upwards, what is the probability that "one yuan" will end up when it falls

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


在一个底面直径为60cm的圆柱形水桶里，有一段半径为6cm的圆柱形钢材完全浸入水中．从桶中取出钢材后，水面下降了5cm，这段钢材长多少厘米？

In a cylindrical bucket with a bottom diameter of 60 cm, a cylindrical piece of steel with a radius of 6 cm is completely submerged in water. After the steel is taken out of the bucket, the water level drops by 5 cm. How many centimeters is the length of the steel?

<gadget id="calculator">60 / 2</gadget>
<output>30</output>
<gadget id="calculator">30 ** 2</gadget>
<output>900</output>
<gadget id="calculator">3.14 * 900 * 5</gadget>
<output>14_130</output>
<gadget id="calculator">6 ** 2</gadget>
<output>36</output>
<gadget id="calculator">3.14 * 36</gadget>
<output>113.04</output>
<gadget id="calculator">14_130 / 113.04</gadget>
<output>125</output>
<result>125</result>


希望小学计划招收一年级新生80人，实际招收了120人，实际比计划增加招生百分之几？

Hope Primary School planned to enroll 80 first-grade freshmen, but actually enrolled 120 students. What percentage increase was the actual enrollment compared to the plan?

<gadget id="calculator">120 - 80</gadget>
<output>40</output>
<gadget id="calculator">40 / 80</gadget>
<output>1/2 = around 0.5</output>
<result>1/2 = around 0.5</result>


一个文具盒12.5元，一个书包是文具盒的5倍还少1.8元，一个书包多少元？

A stationery box is 12.5 yuan, and a schoolbag is 5 times the stationery box, which is 1.8 yuan less. How much is a schoolbag?

<gadget id="calculator">12.5 * 5</gadget>
<output>62.5</output>
<gadget id="calculator">62.5 - 1.8</gadget>
<output>60.7</output>
<result>60.7</result>


小明今天在游泳池游了2个来回，一共游了200米，泳池有多长？

Xiao Ming swam 2 back and forth in the swimming pool today, and swam a total of 200 meters. How long is the swimming pool?

<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<gadget id="calculator">200 / 4</gadget>
<output>50</output>
<result>50</result>


有一个商厦，进4万元的货，卖完之后，又进了8.8万元的货，进的货是第一次的两倍，并且每一次都比第一次贵4元，现在每件58元，卖完还剩150件时，打八折．问商厦一共赚了多少钱？

There is a commercial building that bought 40,000 yuan worth of goods. After they were sold out, they bought another 88,000 yuan worth of goods, twice as much as the first time, and each time it was 4 yuan more expensive than the first time. 58 yuan, 20% off when there are 150 pieces left. How much did the commercial building earn in total?

<gadget id="calculator">4_000 / 4</gadget>
<output>1_000</output>
<gadget id="calculator">1_000 * 2</gadget>
<output>2_000</output>
<gadget id="calculator">1_000 + 2_000</gadget>
<output>3_000</output>
<gadget id="calculator">3_000 - 150</gadget>
<output>2_850</output>
<gadget id="calculator">2_850 * 58</gadget>
<output>165_300</output>
<gadget id="calculator">150 * 58 * 0.8</gadget>
<output>6_960</output>
<gadget id="calculator">6_960 - 128_000</gadget>
<output>-121_040</output>
<gadget id="calculator">165_300 + (-121_040)</gadget>
<output>44_260</output>
<result>44_260</result>


附加题：同学们在操场边种了一排树，已知每相邻两棵之间相距12米，那么从第一棵树到第九棵树之间相距多少米？

Additional question: The students planted a row of trees beside the playground. It is known that the distance between two adjacent trees is 12 meters. How many meters is the distance between the first tree and the ninth tree?

<gadget id="calculator">9 - 1</gadget>
<output>8</output>
<gadget id="calculator">12 * 8</gadget>
<output>96</output>
<result>96</result>


一本书，小明第一天看了全书的20%，如果再看12页，已看的页数与未看的页数的比是2：3，这本书共多少页？

For a book, Xiao Ming read 20% of the whole book on the first day. If he reads 12 more pages, the ratio of the number of pages he has read to the number of pages he has not read is 2:3. How many pages are there in this book?

<gadget id="calculator">2 + 3</gadget>
<output>5</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(2/5) - (1/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">12 / (1/5)</gadget>
<output>60</output>
<result>60</result>


同学们去划船，如果每条船坐6人，则多6人，如果每条船坐9人，则少9人，一共有多少个同学划船．

Students go rowing, if each boat takes 6 people, then there will be 6 more people, if each boat takes 9 people, then there will be 9 fewer people, how many students are rowing in total?

<gadget id="calculator">6 + 9</gadget>
<output>15</output>
<gadget id="calculator">9 - 6</gadget>
<output>3</output>
<gadget id="calculator">15 / 3</gadget>
<output>5</output>
<gadget id="calculator">6 * 5</gadget>
<output>30</output>
<gadget id="calculator">30 + 6</gadget>
<output>36</output>
<result>36</result>


学校买12个篮球，11个排球，每个篮球35元，每个排球32元，买这些球一共用了多少元？

The school buys 12 basketballs and 11 volleyballs, each basketball is 35 yuan, and each volleyball is 32 yuan. How much is the total cost of buying these balls?

<gadget id="calculator">12 * 35</gadget>
<output>420</output>
<gadget id="calculator">11 * 32</gadget>
<output>352</output>
<gadget id="calculator">420 + 352</gadget>
<output>772</output>
<result>772</result>


一件衣服降价20%出售，现价192元．降价了多少元？

A piece of clothing is sold at a 20% discount, and the current price is 192 yuan. How much is the price cut?

<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">162 / (4/5)</gadget>
<output>405/2 = around 202.5</output>
<gadget id="calculator">(405/2) * (1/5)</gadget>
<output>81/2 = around 40.5</output>
<result>81/2 = around 40.5</result>


用铁皮做一个水箱的容积是200升，这个水箱的底面积是一个边长为50厘米的正方形，做这个水箱需要用多少铁皮？

The volume of a water tank made of iron sheets is 200 liters. The bottom area of this water tank is a square with a side length of 50 cm. How much iron sheets are needed to make this water tank?

<gadget id="calculator">50 / 10</gadget>
<output>5</output>
<gadget id="calculator">5 * 5 * 2</gadget>
<output>50</output>
<gadget id="calculator">5 * 5</gadget>
<output>25</output>
<gadget id="calculator">200 / 25</gadget>
<output>8</output>
<gadget id="calculator">5 * 8 * 4</gadget>
<output>160</output>
<gadget id="calculator">50 + 160</gadget>
<output>210</output>
<result>210</result>


一项工程，甲队单独做24天完成，乙队单独做30天完成．现在甲、乙两队先合做8天，剩下的由丙队单独做了6天完成了此项工程．如果从开始就由丙队单独做，需要几天？

A project can be completed by team A alone in 24 days and by team B in 30 days alone. Now Team A and Team B will work together for 8 days, and Team C will work alone for 6 days to complete the project. How many days will it take if Team C does it alone from the beginning?

<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(1/24) + (1/30)</gadget>
<output>3/40 = around 0.075</output>
<gadget id="calculator">(3/40) * 8</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) / 6</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">1 / (1/15)</gadget>
<output>15</output>
<result>15</result>


一个西瓜重4.86千克，一个哈密瓜重3.5千克．一个西瓜比一个哈密瓜重多多少千克？

watermelon weighs 4.86 kg, and a cantaloupe weighs 3.5 kg. How many kilograms more does a watermelon weigh than a cantaloupe?

<gadget id="calculator">4.86 - 3.5</gadget>
<output>1.36</output>
<result>1.36</result>


植树节开展植树活动，四年级植树320棵，比五年级植树棵数的(4/5)少40棵，五年级植树多少棵？

Tree planting activities were carried out on Arbor Day. The fourth grade planted 320 trees, which was 40 less than the fifth grade (4/5). How many trees were planted in the fifth grade?

<gadget id="calculator">320 + 40</gadget>
<output>360</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">360 / (4/5)</gadget>
<output>450</output>
<result>450</result>


王师傅0.6小时加工零件12个，那个他今天共上班6.5小时，按这样计算，他今天共加工多少个零件？

Master Wang processed 12 parts in 0.6 hours, and he went to work for 6.5 hours today. According to this calculation, how many parts did he process in total today?

<gadget id="calculator">12 / 0.6</gadget>
<output>20</output>
<gadget id="calculator">20 * 6.5</gadget>
<output>130</output>
<result>130</result>


一只船在河中航行，水速为每小时2千米，它在静水中航行每小时行8千米，顺水航行50千米需用多少小时．

If a boat sails in a river with a speed of 2 kilometers per hour, how many hours does it take to travel 8 kilometers per hour in still water and sail 50 kilometers along the water?

<gadget id="calculator">8 + 2</gadget>
<output>10</output>
<gadget id="calculator">50 / 10</gadget>
<output>5</output>
<result>5</result>


计算540/18时，较简便的一种算法是多少

When calculating 540/18, what is the simpler algorithm

<gadget id="calculator">540 / 18</gadget>
<output>30</output>
<result>30</result>


小强读一本课外书，当读到总页数的(2/5)时，再读30页已经总页数的一半．这本书共有多少页？

Xiaoqiang reads an extra-curricular book. When he has read (2/5) of the total number of pages, he will read another 30 pages to reach half of the total number of pages. How many pages does this book have?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(1/2) - (2/5)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">30 / (1/10)</gadget>
<output>300</output>
<result>300</result>


有80张长2厘米、宽1厘米的长方形纸．将这些纸拼成一个正方形，拼成正方形的周长是多少厘米？

There are 80 rectangular sheets of paper with a length of 2 cm and a width of 1 cm. Put the pieces of paper together to form a square, what is the perimeter of the square?

<gadget id="calculator">2 * 6</gadget>
<output>12</output>
<gadget id="calculator">12 * 4</gadget>
<output>48</output>
<result>48</result>


圆桌周围恰好有12把椅子，现在已经有一些人在桌边就坐，当再有一人入座时，就必须和已就坐的某个人相邻，问：已就坐的最少有多少人？

There are exactly 12 chairs around the round table. Some people are already sitting at the table. When another person takes a seat, he must be adjacent to someone who is already sitting. Ask: How many people are there at least?

<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">12 / 3</gadget>
<output>4</output>
<result>4</result>


<gadget id="calculator">11_111 - 5</gadget>
<output>11_106</output>
<gadget id="calculator">11_106 / 1_234</gadget>
<output>9</output>
<result>9</result>


把1米长的一条彩带平均分成10份，每份是它的((())/(()))，也就是多少厘米．

Divide a 1-meter-long ribbon into 10 parts on average, and each part is its ((())/(())), that is, how many centimeters.

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


建设路长3200米，每隔160米放一个垃圾桶箱，如果两端都要放，需要多少个垃圾箱．

The construction road is 3200 meters long, and a trash can is placed every 160 meters. If both ends are placed, how many trash cans are needed.

<gadget id="calculator">3_200 / 160</gadget>
<output>20</output>
<gadget id="calculator">20 + 1</gadget>
<output>21</output>
<result>21</result>


修一条1千米的马路，已经修了475米，还剩下多少米没有修？

To build a road of 1 kilometer, 475 meters have been built, how many meters are left to be repaired?

<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>
<gadget id="calculator">1_000 - 475</gadget>
<output>525</output>
<result>525</result>


A、B两车同时从甲、乙两地相对开出，6小时后相遇，相遇后继续前行，A车每小时提速20km，这样经过5小时两车同时到达乙、甲地，求甲、乙之间距离．

Cars A and B leave opposite places A and B at the same time, meet each other after 6 hours, and continue to move forward after meeting. Car A speeds up 20km per hour, so that after 5 hours, the two cars arrive at places B and A at the same time. The distance between B.

<gadget id="calculator">5 * 20</gadget>
<output>100</output>
<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">6 * (6/5)</gadget>
<output>36/5 = around 7.2</output>
<gadget id="calculator">(36/5) - 6 - 5</gadget>
<output>-19/5 = around -3.8</output>
<gadget id="calculator">6 + (-19/5)</gadget>
<output>11/5 = around 2.2</output>
<gadget id="calculator">100 / (11/5)</gadget>
<output>500/11 = around 45.454545</output>
<gadget id="calculator">(6/5) * (500/11)</gadget>
<output>600/11 = around 54.545455</output>
<gadget id="calculator">(500/11) + (600/11)</gadget>
<output>100</output>
<gadget id="calculator">6 * 100</gadget>
<output>600</output>
<result>600</result>


要使三位数除以一位数□28/7的商最高位是百位，□可以填的数有多少个．

To divide a three-digit number by a one-digit number □The highest digit of the quotient of 28/7 is hundreds, □How many numbers can be filled.


有9箱重量相等的鸡蛋，如果从每箱中取出15千克，9箱中剩下的鸡蛋的重量等于原来4箱的重量，原来每箱鸡蛋重多少千克？

There are 9 boxes of eggs of equal weight. If 15 kilograms are removed from each box, the weight of the remaining eggs in the 9 boxes is equal to the weight of the original 4 boxes. How many kilograms did each box weigh?

<gadget id="calculator">15 * 9</gadget>
<output>135</output>
<gadget id="calculator">9 - 4</gadget>
<output>5</output>
<gadget id="calculator">135 / 5</gadget>
<output>27</output>
<result>27</result>


把(3/4)的分母增加8，要使分数的值不变，分子应该乘以多少

Increase the denominator of (3/4) by 8. How much should the numerator be multiplied to keep the value of the fraction unchanged?


夕阳红旅行社组织12个老年活动室成员去春游，每个活动室36人．一共租了9辆大客车，平均每辆大客车乘坐多少人？

Sunset Red Travel Agency organized 12 elderly activity room members to go on a spring outing, with 36 people in each activity room. A total of 9 buses have been rented. How many people are in each bus on average?

<gadget id="calculator">12 / 9</gadget>
<output>4/3 = around 1.333333</output>
<gadget id="calculator">36 * (4/3)</gadget>
<output>48</output>
<result>48</result>


<gadget id="calculator">60 - 40</gadget>
<output>20</output>
<gadget id="calculator">80 * 20</gadget>
<output>1_600</output>
<result>1_600</result>


用最简分数表示：25分钟是1小时的多少．

In simple fractions: 25 minutes is 1 hour.

<gadget id="calculator">25 / 60</gadget>
<output>5/12 = around 0.416667</output>
<result>5/12 = around 0.416667</result>


甲圆的半径是乙圆的2倍，乙圆的面积是甲圆的多少．

The radius of circle A is twice that of circle B, and the area of circle B is equal to that of circle A.

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


游乐场的套票原来每套30元，"十一"期间九折优惠，优惠后的套票价格是多少元．

The package tickets for the amusement park used to be 30 yuan each, and there was a 10% discount during the "October" period. What is the price of the package after the discount?

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">30 * (9/10)</gadget>
<output>27</output>
<result>27</result>


王老师用280元买了8个篮球，又用152元买了8个排球．李老师买同样的一个篮球和一个排球应花多少元？

Teacher Wang bought 8 basketballs for 280 yuan and 8 volleyballs for 152 yuan. How much should Mr. Li spend for the same basketball and volleyball?

<gadget id="calculator">280 / 8</gadget>
<output>35</output>
<gadget id="calculator">152 / 8</gadget>
<output>19</output>
<gadget id="calculator">35 + 19</gadget>
<output>54</output>
<result>54</result>


一个挂钟分针长5厘米，经过30分钟后，它的尖端走过的路程是多少厘米．

The minute hand of a wall clock is 5 cm long. After 30 minutes, what is the distance traveled by its tip in cm?

<gadget id="calculator">2 / 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 5 * 1</gadget>
<output>15.7</output>
<result>15.7</result>


甲乙两列火车同时从两地相对开出，经过4小时相遇．已知甲车每小时行65千米乙，车每小时行55千米．求两地相距多少千米？

Two trains A and B depart opposite from each other at the same time and meet after 4 hours. It is known that car A travels 65 kilometers per hour and car B travels 55 kilometers per hour. How many kilometers are the distance between the two places?

<gadget id="calculator">65 + 75</gadget>
<output>140</output>
<gadget id="calculator">140 * 4</gadget>
<output>560</output>
<result>560</result>


一节长方体通风管，长2米，横截面是边长为2分米的正方形．把它外面涂上油漆，如果每平方米用100克油漆，共需油漆多少克？

A section of cuboid ventilation pipe is 2 meters long and its cross-section is a square with side length 2 decimeters. Paint the outside of it, if 100 grams of paint is used per square meter, how many grams of paint are needed in total?

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">2 * (1/5) * 4 * 100</gadget>
<output>160</output>
<result>160</result>


某市为了加强公民的节水意识，合理利用资源，采取价格调控的手段达到节水目的．采取如下的收费标准：每户每月的用水不超过6立方米，水费按1.2元/立方米收费，超过6立方米是：不超过部分价格不变，超过部分按1.9元/立方米收费，若某用户5月份水费为11元，求该户的用水量．

In order to strengthen citizens' water-saving awareness and rationally use resources, a city adopts price regulation to achieve water-saving purposes. The following charging standards are adopted: the water consumption of each household does not exceed 6 cubic meters per month, and the water fee is charged at 1.2 yuan/cubic meter. If it exceeds 6 cubic meters, the price of the part that does not exceed remains unchanged, and the excess part is charged at 1.9 yuan/cubic meter , If a user's water bill in May is 11 yuan, find the water consumption of this household.

<gadget id="calculator">1.2 * 6</gadget>
<output>7.2</output>
<gadget id="calculator">11 - 7.2</gadget>
<output>3.8</output>
<gadget id="calculator">3.8 / 1.9</gadget>
<output>2</output>
<gadget id="calculator">2 + 6</gadget>
<output>8</output>
<result>8</result>


李军家3000元钱存入银行，整存整取两年，年利率是2.25%，按照银行现行规定到期后他获得本金和利息一共多少元？

Li Jun's family deposited 3,000 yuan in the bank, and the lump sum deposit was withdrawn for two years, with an annual interest rate of 2.25%. According to the current regulations of the bank, how much will he get in total for the principal and interest after maturity?

<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>
<gadget id="calculator">3_000 * 0.0225 * 2</gadget>
<output>135</output>
<gadget id="calculator">3_000 + 135</gadget>
<output>3_135</output>
<result>3_135</result>


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


一个三位偶数，三位数字的乘积是28，各位数字相加的和是12，且百位和个位上的数字的乘积比十位数字小．这个三位偶数是多少？

For a three-digit even number, the product of the three digits is 28, the sum of the digits is 12, and the product of the hundreds and ones digits is smaller than the tens digit. What is the three-digit even number?


等底等高的圆柱与圆锥体积之差是52m**2，圆锥体积是多少m**2．

The volume difference between the cylinder and the cone with the same base and height is 52m**2, what is the volume of the cone in m**2?

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


贝贝每分钟能打34个字，1小时能打多少个字．

Beibei can type 34 characters per minute, how many characters can be typed in an hour.

<gadget id="calculator">34 * 60</gadget>
<output>2_040</output>
<result>2_040</result>


鸭的孵化期是28天，鸡的孵化期是鸭的(3/4)，鸭的孵化期是鹅的(14/15)．请你提一个数学问题，并尝试解答．

The incubation period of duck is 28 days, the incubation period of chicken is 3/4 of that of duck, and the incubation period of duck is 14/15 of that of goose. Please ask a math problem and try to solve it.

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">28 * (3/4)</gadget>
<output>21</output>
<result>21</result>


一块菜地长8米、宽5米，平均每平方米收菜16千克，在这块地里一共收菜多少千克？

A vegetable field is 8 meters long and 5 meters wide, with an average harvest of 16 kilograms of vegetables per square meter. How many kilograms of vegetables are harvested in this field?

<gadget id="calculator">8 * 5 * 16</gadget>
<output>640</output>
<result>640</result>


一根铁丝可以折成一个长13.2厘米，宽9.6厘米的长方形．如果把这根铁丝折成一个等边三角形，那么这个等边三角形的边长是多少厘米？

A piece of iron wire can be folded into a rectangle with a length of 13.2 cm and a width of 9.6 cm. If the wire is folded into an equilateral triangle, what is the side length of the equilateral triangle?

<gadget id="calculator">22.8 / 3</gadget>
<output>7.6</output>
<result>7.6</result>


被减数去掉650，减数去掉168，差是54．原来的差是多少？

Subtract 650 from the subtrahend and 168 from the subtrahend, the difference is 54. What was the original difference?

<gadget id="calculator">650 - 168</gadget>
<output>482</output>
<gadget id="calculator">54 + 482</gadget>
<output>536</output>
<result>536</result>


小华今年1月1日把积攒的200元零用钱存入银行，定期三年．准备到期后把利息捐赠给"希望工程"．如果年利率按2.70%计算，到期可获得利息多少元？

On January 1 this year, Xiaohua deposited the accumulated pocket money of 200 yuan in the bank for three years on a regular basis. Donate the interest to "Hope Project" after the preparation expires. If the annual interest rate is calculated at 2.70%, how much interest can be earned at maturity?

<gadget id="calculator">2.7 / 100</gadget>
<output>0.027</output>
<gadget id="calculator">200 * 0.027 * 3</gadget>
<output>16.2</output>
<result>16.2</result>


一头小象每天吃60根香蕉，3头小象一天吃多少根香蕉．

A baby elephant eats 60 bananas a day, how many bananas do 3 baby elephants eat a day?

<gadget id="calculator">60 * 3</gadget>
<output>180</output>
<result>180</result>


一次数学考试有10道题，评分规则规定做对1道得10分，做错一道扣2分，小明得了76分，你知道小明答对了多少道．

There are 10 questions in a math test. The scoring rules stipulate that if you answer one question correctly, you will get 10 points, and if you get one question wrong, you will be deducted 2 points. Xiao Ming scored 76 points. Do you know how many questions Xiao Ming answered correctly?

<gadget id="calculator">10 * 10</gadget>
<output>100</output>
<gadget id="calculator">100 - 76</gadget>
<output>24</output>
<gadget id="calculator">10 + 2</gadget>
<output>12</output>
<gadget id="calculator">24 / 12</gadget>
<output>2</output>
<gadget id="calculator">10 - 2</gadget>
<output>8</output>
<result>8</result>


学校艺术节，准备了花环和彩球各20个，共花去100元，彩球每个3.5元，花环每个多少元？

For the school art festival, we prepared 20 garlands and 20 colored balls, and spent a total of 100 yuan. The colored balls cost 3.5 yuan each. How much is each garland?

<gadget id="calculator">100 / 20</gadget>
<output>5</output>
<gadget id="calculator">5 - 3.5</gadget>
<output>1.5</output>
<result>1.5</result>


<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">(3/20) - 0.15</gadget>
<output>0</output>
<result>0</result>


一个长方形的鱼池，长80米，宽40米，在鱼池的四周每隔4米种一棵树，一共可以种多少棵树？

A rectangular fish pond is 80 meters long and 40 meters wide. A tree is planted every 4 meters around the fish pond. How many trees can be planted in total?

<gadget id="calculator">80 + 40</gadget>
<output>120</output>
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">120 * (1/2)</gadget>
<output>60</output>
<result>60</result>


某影院正在放映一部最新的电影，原来电影票一张40元，现在降价，观众增加了一倍，收入增加了(1/5)，现在电影票一张多少元？

A movie theater is showing the latest movie. Originally, a movie ticket was 40 yuan, but now the price has been reduced. The audience has doubled, and the income has increased (1/5). How much is a movie ticket now?

<gadget id="calculator">40 * 1</gadget>
<output>40</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">1 + 1</gadget>
<output>2</output>
<gadget id="calculator">(6/5) / 2</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">40 * (3/5)</gadget>
<output>24</output>
<result>24</result>


一个等腰三角形底和高的比是8：3，把它沿底边上的高剪开，拼成一个长方形后，长方形的周长是56厘米，长方形的面积是多少平方厘米．

The ratio of the base to the height of an isosceles triangle is 8:3. Cut it along the height of the base and assemble it into a rectangle. The perimeter of the rectangle is 56 cm. What is the area of the rectangle in square centimeters?

<gadget id="calculator">56 / 2</gadget>
<output>28</output>
<gadget id="calculator">4 + 3</gadget>
<output>7</output>
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>
<gadget id="calculator">28 * (4/7)</gadget>
<output>16</output>
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">28 * (3/7)</gadget>
<output>12</output>
<gadget id="calculator">16 * 12</gadget>
<output>192</output>
<result>192</result>


6个百除以2得多少个百．

Divide 6 hundreds by 2 to get how many hundreds.

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


父亲对儿子说："我像你这么大时，你才4岁；当你像我这么大时，我就79岁啦．"现在父亲的年龄是多少岁．

The father said to his son: "When I was your age, you were only 4 years old; when you were my age, I was 79 years old." How old is the father now.

<gadget id="calculator">79 - 4</gadget>
<output>75</output>
<gadget id="calculator">1 + 1 + 1</gadget>
<output>3</output>
<gadget id="calculator">75 / 3</gadget>
<output>25</output>
<gadget id="calculator">79 - 25</gadget>
<output>54</output>
<result>54</result>


甲数比乙数的2倍少3，乙数缩小10倍是(4/5)，那么甲数比乙数多多少

The number A is 3 less than twice the number B, and the number B is reduced by 10 times (4/5), so how much more is the number A than the B number

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(4/5) * 10</gadget>
<output>8</output>
<gadget id="calculator">8 * 2</gadget>
<output>16</output>
<gadget id="calculator">16 - 3</gadget>
<output>13</output>
<gadget id="calculator">13 - 8</gadget>
<output>5</output>
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<result>5/8 = around 0.625</result>


一辆洒水车，每分行驶200米，洒水的宽度是9米，洒水车行驶5分钟，洒水面积是多少？

A sprinkler truck travels 200 meters per minute, the width of sprinkling water is 9 meters, and the sprinkler truck runs for 5 minutes, what is the sprinkling area?

<gadget id="calculator">200 * 5 * 9</gadget>
<output>9_000</output>
<result>9_000</result>


一根长28厘米的铁丝正好围成一个正方形，这个正方形的边长是多少厘米？

A wire 28 cm long forms a square, what is the side length of the square?

<gadget id="calculator">28 / 4</gadget>
<output>7</output>
<result>7</result>


7与5的和的倒数是多少．

What is the reciprocal of the sum of 7 and 5?

<gadget id="calculator">5 + 7</gadget>
<output>12</output>
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<result>1/12 = around 0.083333</result>


红领巾小学买来皮球380个，足球70个，课外活动时借出去423个，现在学校还剩多少个球？

The Red Scarf Primary School bought 380 balls, 70 footballs, and lent 423 for extracurricular activities. How many balls are left in the school now?

<gadget id="calculator">70 - 423</gadget>
<output>-353</output>
<gadget id="calculator">380 + (-353)</gadget>
<output>27</output>
<result>27</result>


一个正方形边长12米，现在边长增加4米，现在的面积比原来增加了多少平方米？

A side of a square is 12 meters long. Now the side length is increased by 4 meters. How many square meters is the area increased now?

<gadget id="calculator">12 + 4</gadget>
<output>16</output>
<gadget id="calculator">16 * 16</gadget>
<output>256</output>
<gadget id="calculator">12 * 12</gadget>
<output>144</output>
<gadget id="calculator">256 - 144</gadget>
<output>112</output>
<result>112</result>


小茹的图书中有58本不是故事书，有42本不是科技书．小茹的故事书和科技书共有60本，小茹科技书有多少本？

Among Xiaoru's books, 58 are not story books, and 42 are not science books. Xiaoru has 60 story books and technology books. How many science books does Xiaoru have?

<gadget id="calculator">58 - 42</gadget>
<output>16</output>
<gadget id="calculator">60 + 16</gadget>
<output>76</output>
<gadget id="calculator">76 / 2</gadget>
<output>38</output>
<result>38</result>


<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">(3/7) * (5/6)</gadget>
<output>5/14 = around 0.357143</output>
<result>5/14 = around 0.357143</result>


甲数的(2/3)和乙数的(1/4)相等(甲、乙为非0自然数)，甲数比乙数少多少

(2/3) of number A is equal to (1/4) of number B (A and B are non-zero natural numbers), how much less number A is than number B

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 / (1/4)</gadget>
<output>4</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1 / (2/3)</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">4 - (3/2)</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">(5/2) / 4</gadget>
<output>5/8 = around 0.625</output>
<result>5/8 = around 0.625</result>