A train is 700m long and passes a 1100m long bridge at a speed of 2400m/min. How many minutes does it take from the front of the train to the bridge to the rear of the train leaving the bridge?
一列火车长为700m，以2400米/分的速度通过一座长为1100m的大桥，从车头上桥到车尾离开桥，一共需要多少分钟？
<gadget id="calculator">700 + 1_100</gadget>
<output>1_800</output>

<gadget id="calculator">1_800 / 2_400</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>