It only takes 3 hours to travel from Xiaoshan to Shanghai after the speed is increased. The distance is 216 kilometers. What is the speed of the train per hour?
萧山到上海火车提速后只要行3小时，路程有216千米，火车的时速是多少
<gadget id="calculator">216 / 3</gadget>
<output>72</output>

<result>72</result>