It takes 1.7 minutes for a train to pass through a 2,400-meter-long tunnel, and 48 seconds to pass through a 1,050-meter-long bridge at the same speed. How many meters is this train?
一列火车穿过长2400米的隧道需1.7分钟，以同样的速度通过一座长1050米的大桥需48秒，这列火车长多少米？
<gadget id="calculator">2_400 - 1_050</gadget>
<output>1_350</output>

<gadget id="calculator">102 - 48</gadget>
<output>54</output>

<gadget id="calculator">1_350 / 54</gadget>
<output>25</output>

<gadget id="calculator">25 * 48</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 - 1_050</gadget>
<output>150</output>

<result>150</result>