A train can travel 360 kilometers in 3 hours, and a car can travel 210 kilometers in 3 hours. How much less kilometers can a car travel per hour than a train?
火车3小时能行驶360千米，汽车3小时能行驶210千米，汽车每小时比火车少行驶多少千米？
<gadget id="calculator">360 - 210</gadget>
<output>150</output>

<gadget id="calculator">150 / 3</gadget>
<output>50</output>

<result>50</result>