The average speed of a train is 68.5 km/h. It takes about 3.6 hours to travel from A to B by this train. How many kilometers is the distance between A and B?
一列火车的平均速度是68.5千米/小时．坐这列火车从甲地到乙地，大约需要3.6小时．甲乙两地相距约多少千米？
<gadget id="calculator">68.5 * 3.6</gadget>
<output>246.6</output>

<result>246.6</result>