A train travels 85 kilometers per hour. It departs from A at 15:00 and arrives at B at 21:00. How many kilometers is the distance between A and B?
一列火车每小时行85千米，15时从甲地出发，21时到达乙地，甲乙两地相距多少千米？
<gadget id="calculator">6 * 85</gadget>
<output>510</output>

<result>510</result>