A small truck departs from A at 9:00 am and arrives at B at 3:00 pm. The distance between A and B is 480 kilometers. How many kilometers does this small truck drive on average per hour?
一辆小货车上午9：00从甲地出发，下午3：00到达乙地，甲乙两地相距480千米，这辆小货车平均每小时行驶多少千米？
<gadget id="calculator">480 / 6</gadget>
<output>80</output>

<result>80</result>