It takes 4 people to process a batch of parts and it takes 24 hours to complete. So how many hours will it take for 6 people to do it?
加工一批零件，4个人做，要24小时完成．那么6个人做，要多少小时完成．
<gadget id="calculator">24 / 6</gadget>
<output>4</output>

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<result>16</result>