The railway between A and B is 1331 kilometers long. A train departs from City A to City B at 3:00 pm on June 22, and arrives at 2:00 am on June 23. How many kilometers per hour does the train travel?
甲乙两城铁路长1331千米，一列火车于6月22日下午3时从甲城开往乙城，于6月23日凌晨2时到达．这列火车每小时行多少千米？
<gadget id="calculator">1_331 / 11</gadget>
<output>121</output>

<result>121</result>