train is 320 meters long, and it passes through a 1.48-kilometer tunnel at a speed of 0.8 kilometers per minute. How long does it take from the front of the train entering the tunnel to the end of the train leaving the tunnel?
一列火车长320米，它以每分0.8千米的速度穿过一条1.48千米的隧道，从车头进入隧道到车尾离开隧道需要多长时间？
<gadget id="calculator">320 / 1_000</gadget>
<output>8/25 = around 0.32</output>

<gadget id="calculator">(8/25) + 1.48</gadget>
<output>1.8</output>

<gadget id="calculator">1.8 / 0.8</gadget>
<output>2.25</output>

<result>2.25</result>