The total length of the railway from Ganzhou to Nanchang is 412 kilometers. It departs from Ganzhou at 9:00 in the morning and arrives in Nanchang at 13:00. How many kilometers does the train travel on average per hour?
赣州到南昌的铁路总长是412千米，上午9：00从赣州出发，13：00到达南昌，这列火车平均每小时行多少千米．
<gadget id="calculator">412 / 4</gadget>
<output>103</output>

<result>103</result>