A supersonic plane flies 500 meters per second, which is 20 times the distance traveled by a train per second. How many meters per second does a train travel? (solution by equation)
超音速飞机每秒飞行500米，是火车每秒行驶路程的20倍，火车每秒行驶多少米？(用方程解)
<gadget id="calculator">500 / 20</gadget>
<output>25</output>

<result>25</result>