A motorcycle travels 12.5 kilometers per hour and reaches its destination in 48 hours. How many hours will it take to travel 15 kilometers per hour?
一辆摩托车每小时行12.5千米，48小时到达目的地．如果每小时行15千米，需要多少小时？
<gadget id="calculator">12.5 * 48</gadget>
<output>600</output>

<gadget id="calculator">600 / 15</gadget>
<output>40</output>

<result>40</result>