An ostrich runs 54.6 kilometers per hour, and a truck travels 237.5 kilometers in 5 hours. How much more miles per hour can an ostrich travel than a truck?
鸵鸟每小时跑54.6千米，卡车5小时行237.5千米．鸵鸟每小时比卡车多跑多少千米？
<gadget id="calculator">237.5 / 5</gadget>
<output>47.5</output>

<gadget id="calculator">54.6 - 47.5</gadget>
<output>7.1</output>

<result>7.1</result>