A car drives from A to B at 50 kilometers per hour, and it takes 6 hours to reach B. If it travels 60 kilometers per hour, how many hours will it take? (Use proportional knowledge.
一辆汽车从甲地开往乙地，每小时行50千米，6小时可以到达乙地，如果每小时行60千米，几个小时到达？(用比例知识．
<gadget id="calculator">50 * 6</gadget>
<output>300</output>

<gadget id="calculator">300 / 60</gadget>
<output>5</output>

<result>5</result>