The distance between A and B is 500 kilometers. After a car drives from A for 5 hours, it is still 92.5 kilometers away from B. How many meters does this car travel on average per hour?
甲乙两地相距500千米，一辆汽车由甲地开出5小时后，距离乙地还有92.5千米，这辆汽车平均每小时行多少米？
<gadget id="calculator">500 - 92.5</gadget>
<output>407.5</output>

<gadget id="calculator">407.5 / 5</gadget>
<output>81.5</output>

<result>81.5</result>