person walks 4.8 kilometers per hour, and a car travels 60 kilometers per hour. How much more kilometers can a car travel per hour than walking?
人步行每小时4.8千米，小汽车每小时行60千米，小汽车每小时比步行多行驶多少千米？
<gadget id="calculator">60 - 4.8</gadget>
<output>55.2</output>

<result>55.2</result>