The high-speed railway trains built in my country can travel 350 kilometers per hour, which is equivalent to 2.8 times the speed of an ordinary train. How many kilometers per hour can an ordinary train travel?
我国建成的高速铁路列车每小时可以行350千米，相当于一辆普通列车时速的2.8倍，一列普通列车每小时行多少千米？
<gadget id="calculator">350 / 2.8</gadget>
<output>125</output>

<result>125</result>