My elder brother goes to college and has to take the train for 18.5 hours. The average speed of the train is 80.7 km/h. How many meters did he walk by train?
哥哥上大学，要坐18.5小时的火车，火车的平均速度是80.7千米/时．他坐火车走了多少米？
<gadget id="calculator">80.7 * 18.5 * 1_000</gadget>
<output>1_492_950</output>

<result>1_492_950</result>