The speed of the maglev train developed by our country is 360 kilometers per hour, which is faster (5/7) than that of an ordinary train. How many kilometers per hour does an ordinary train travel?
我国研制的磁悬浮列车时速为360千米，比一列普通火车的速度快(5/7)，一列普通火车每时行多少千米？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">1 + (5/7)</gadget>
<output>12/7 = around 1.714286</output>

<gadget id="calculator">360 / (12/7)</gadget>
<output>210</output>

<result>210</result>