Xiao Ming takes the train from A to B, departs at 8:00, and arrives at B at 17:00 on the same day. The train travels a total of 1080 kg. How many kilometers does the train travel per hour?
小明坐火车从甲地到乙地，8：00出发，与当天17：00达到乙地，火车共行驶1080千克．求火车每小时行驶多少千米？
<gadget id="calculator">17 - 8</gadget>
<output>9</output>

<gadget id="calculator">1_080 / 9</gadget>
<output>120</output>

<result>120</result>