A loom can weave 24 meters of cloth in 4 hours. According to this calculation, how many hours will it take to weave 54 meters of cloth? (Solve with ratio)
一台织布机4小时可以织布24米，照这样计算，要织布54米，需要几小时？(用比例解)
<gadget id="calculator">54 * 4</gadget>
<output>216</output>

<gadget id="calculator">216 / 24</gadget>
<output>9</output>

<result>9</result>