A passenger car drives from Nayong to Guiyang, travels 30 kilometers per hour, and arrives at Guiyang Bus Station in 8 hours; when returning, travels 24 kilometers per hour, how many hours does it take to return to Nayong Station?
一辆客车从纳雍开往贵阳，每小时行驶30千米，8小时到达贵阳客车站；回来时，每小时行驶24千米，几小时可以回到纳雍车站？
<gadget id="calculator">8 / 24</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">30 * (1/3)</gadget>
<output>10</output>

<result>10</result>