A train is 245 meters long and travels 25 meters per second. The whole train has to pass through a 930-meter tunnel. How many seconds?
一列火车长245米，每秒行驶25米，全车要通过一座930米的隧道．需要多少秒？
<gadget id="calculator">245 + 930</gadget>
<output>1_175</output>

<gadget id="calculator">1_175 / 25</gadget>
<output>47</output>

<result>47</result>