There are two buckets of water, the water in the big bucket is 10 kg more than the small bucket, and how many kilograms of water is poured into the small bucket from the big bucket, then the two buckets of water weigh the same.
有两桶水，大桶的水比小桶多10千克，大桶倒多少千克水给小桶，则两桶水一样重．
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<result>5</result>