The speed of an EMU is 1.8 times that of an ordinary train, 12 km/h. If the speed of a bullet train is 300 km/h, what is the speed of an ordinary train in km/h?
一列动车的速度是一列普通列车的1.8倍多12千米/时．一列动车的速度是300千米/时，一列普通列车的速度是多少千米/时．
<gadget id="calculator">300 - 12</gadget>
<output>288</output>

<gadget id="calculator">288 / 1.8</gadget>
<output>160</output>

<result>160</result>