The distance from Nanjing to Shanghai is 392 kilometers. A ship travels an average of 50 kilometers per hour. How many hours does it take to travel from Nanjing to Shanghai?
南京到上海392千米，一艘轮船平均每小时行50千米，它从南京到上海需要多少小时？
<gadget id="calculator">392 / 50</gadget>
<output>196/25 = around 7.84</output>

<result>196/25 = around 7.84</result>