The distance between A and B is 480 kilometers. A car travels from A to B. The original plan is to arrive in 8 hours, but it actually arrives 2 hours earlier. How many kilometers does it actually travel per hour?
甲乙两城相距480千米，一辆汽车从甲城到乙城，原计划8小时到达，实际提前2小时到达，实际每小时行多少千米？
<gadget id="calculator">8 - 2</gadget>
<output>6</output>

<gadget id="calculator">480 / 6</gadget>
<output>80</output>

<result>80</result>