How long does it take for a train 600 meters long to pass a 1000-meter bridge at a speed of 800 meters per minute? (from the front of the vehicle on the bridge to the rear of the vehicle off the bridge)
一列火车长600米，以每分钟800米的速度通过一座1000米的大桥，需要多长时间？(从车头上桥到车尾离桥)
<gadget id="calculator">1_000 + 600</gadget>
<output>1_600</output>

<gadget id="calculator">1_600 / 800</gadget>
<output>2</output>

<result>2</result>