Cars travel 85.7 kilometers per hour, minibuses travel 54.5 kilometers per hour. Ask how many kilometers per hour a car is faster than a minibus?
小汽车每小时行85.7千米，中巴车每小时行54.5千米．问小汽车每小时比中巴车快多少千米？
<gadget id="calculator">85.7 - 54.5</gadget>
<output>31.2</output>

<result>31.2</result>