The distance between A and B is 360 kilometers. A train departs from A at 13:30 and arrives at B at 16:30. How many kilometers per hour does the train travel on average?
甲、乙两市相距360千米，一列火车13：30从甲市出发，16：30到达乙市，这列火车平均每小时行多少千米？
<gadget id="calculator">360 / 3</gadget>
<output>120</output>

<result>120</result>