A train is 200 meters long and it takes 2 minutes to pass through a 2,400-meter tunnel. What is the speed of the train traveling this distance?
一列火车长200米，通过2400米的隧道用了2分钟，火车行这段路的速度是多少？
<gadget id="calculator">200 + 2_400</gadget>
<output>2_600</output>

<gadget id="calculator">2_600 / 2</gadget>
<output>1_300</output>

<result>1_300</result>