The speed of a bicycle is 256 m/min, and the speed of a train is 12 times that speed, how many meters per minute does the train travel?
一辆自行车的速度是256米/分，一列火车的速度是它的12倍，这列火车每分钟行驶多少米？
<gadget id="calculator">256 * 12</gadget>
<output>3_072</output>

<result>3_072</result>