It took a train 1 minute and 15 seconds to pass through a 1,499-meter-long cave, and it took 1 minute and 30 seconds to pass through a 1,874-meter-long bridge at the same speed. How long is the train in meters?
一列火车钻过长1499米的山洞用了1分15秒，它以同样的速度通过长1874米的大桥用了1分30秒，这列火车长多少米．
<gadget id="calculator">1_874 - 1_499</gadget>
<output>375</output>

<gadget id="calculator">90 - 75</gadget>
<output>15</output>

<gadget id="calculator">375 / 15</gadget>
<output>25</output>

<gadget id="calculator">25 * 75</gadget>
<output>1_875</output>

<gadget id="calculator">1_875 - 1_499</gadget>
<output>376</output>

<result>376</result>