A passenger train and a freight train depart from two places 1615 kilometers apart at the same time. The passenger train travels 96 kilometers per hour, and the freight train travels 74 kilometers per hour. After how many hours do the two trains meet?
一列客车和一列货车从相距1615千米的两地同时相对开出，客车每小时行96千米，货车每小时行74千米，经过几小时两列火车相遇？
<gadget id="calculator">96 + 74</gadget>
<output>170</output>

<gadget id="calculator">1_615 / 170</gadget>
<output>19/2 = around 9.5</output>

<result>19/2 = around 9.5</result>