The running speed of the EMU train is 240 km/h, and the ordinary train is slower than it (7/12). What is the speed of ordinary trains?
动车组列车的运行速度是240千米/小时，普通列车比它慢(7/12)．普通列车的速度是多少？
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">1 - (7/12)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">240 * (5/12)</gadget>
<output>100</output>

<result>100</result>