On a 1:8000000 map, the distance between the two cities is measured to be 24 centimeters. If the plane flies an average of 480 kilometers per hour, how many hours will the plane take to fly between the two cities?
在一幅1：8000000的地图上，量得两个城市间的距离是24厘米，如果飞机平均每时飞行480千米，飞机在这两个城市间大约要飞行多少小时？
<gadget id="calculator">1 / 8_000_000</gadget>
<output>1/8_000_000 = around 0</output>

<gadget id="calculator">24 / (1/8_000_000) / 100_000 / 480</gadget>
<output>4</output>

<result>4</result>