The railway between A and B is 960 kilometers long. A passenger train departs from A to B at 8 am on June 22 and arrives at 8 pm. How many kilometers per hour does the train travel?
甲乙两城铁路长960千米，一列客车于6月22日上午8时从甲城开往乙城，晚上8时到达．这列火车每小时行多少千米？
<gadget id="calculator">20 - 8</gadget>
<output>12</output>

<gadget id="calculator">960 / 12</gadget>
<output>80</output>

<result>80</result>