For a batch of toys, if each box holds 25 pieces, 24 boxes are required. If each box contains 30 boxes, how many boxes are needed?
一批玩具，如果每只箱子装25个，需要箱子24只．如果每只箱子装30个，只要多少只箱子？
<gadget id="calculator">24 / 30</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">25 * (4/5)</gadget>
<output>20</output>

<result>20</result>