The distance between Tianjin and Jinan is 360km. A train drives from Tianjin to Jinan at 13:30 and arrives at 16:30. How many miles per hour does the train travel on average?
天津到济南相距360km．一辆火车从天津到济南13﹕30开车，16﹕30到达．火车平均每小时行驶多少千米？
<gadget id="calculator">16.5 - 13.5</gadget>
<output>3</output>

<gadget id="calculator">360 / 3</gadget>
<output>120</output>

<result>120</result>