It takes 24 seconds for a train to cross a 360-meter-long railway bridge, and 16 seconds to cross a 216-meter-long railway bridge at the same speed. How long is the train in meters?
一列火车通过360米长的铁路桥用了24秒钟，用同样的速度通过216米长的铁路桥用16秒钟，这列火车长多少米．
<gadget id="calculator">360 - 216</gadget>
<output>144</output>

<gadget id="calculator">24 - 16</gadget>
<output>8</output>

<gadget id="calculator">144 / 8</gadget>
<output>18</output>

<gadget id="calculator">18 * 24</gadget>
<output>432</output>

<gadget id="calculator">432 - 360</gadget>
<output>72</output>

<result>72</result>