After barrel A pours 5 kilograms of oil into barrel B, the oil in the two barrels is equal, so how much more is barrel A than barrel B?
甲桶倒给乙桶5千克油后，两桶油相等，原来甲桶比乙桶多多少千克．
<gadget id="calculator">5 + 5</gadget>
<output>10</output>

<result>10</result>