A and B have two baskets of 24 kilograms of apples each. Take 4 kilograms from A and put them into B. At this time, there are more apples in B than in A.
甲乙两筐苹果各24千克，从甲筐取出4千克放入乙筐，这时乙筐里的苹果比甲筐多多少．
<gadget id="calculator">24 + 4</gadget>
<output>28</output>

<gadget id="calculator">24 - 4</gadget>
<output>20</output>

<gadget id="calculator">28 - 20</gadget>
<output>8</output>

<result>8</result>