A supersonic plane flies 500 meters per second, which is 16 times the distance traveled by a train per second and 100 meters more. How many meters per second does a train travel?
超音速飞机每秒飞行500米，是火车每秒行驶路程的16倍还多100米，火车每秒行驶多少米？
<gadget id="calculator">500 - 100</gadget>
<output>400</output>

<gadget id="calculator">400 / 16</gadget>
<output>25</output>

<result>25</result>