A high-speed maglev train can travel 500 kilometers per hour, how many kilometers can it travel in 6 hours?
高速磁悬浮列车每小时可行驶500千米，6小时可行驶多少千米．
<gadget id="calculator">500 * 6</gadget>
<output>3_000</output>

<result>3_000</result>