A train travels 120 kilometers in one hour, departs from A at 1:10 pm, and arrives at B at 8:10 pm. What is the distance in kilometers between A and B?
一列火车1小时行驶120千米，下午1：10从甲地发车，晚上8：10到达乙地．甲乙两地的距离是多少千米？
<gadget id="calculator">120 * 7</gadget>
<output>840</output>

<result>840</result>