A train passes a 3,200-meter-long bridge at a speed of 800 meters per minute. If the train is 240 meters long, how many minutes will it take from the front of the train to the bridge to the last carriage leaving the other end of the bridge?
一列火车以每分钟800米的速度，通过一座长3200米的大桥，如果火车全长240米，从车头上桥到最后一节车厢离开大桥另一端，一共需多少分钟？
<gadget id="calculator">3_200 + 240</gadget>
<output>3_440</output>

<gadget id="calculator">3_440 / 800</gadget>
<output>43/10 = around 4.3</output>

<result>43/10 = around 4.3</result>