On a map with a scale of 1:5,000,000, the distance between A and B is 6 cm. If a car drives from A to B at an average speed of 80 km/h, how many hours will it take to get there?
在一幅比例尺是1：5000000的地图上，量得甲乙两地的距离是6厘米，如果一辆汽车以80千米/小时的平均速度从甲地开往乙地，几小时可以到达？
<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>

<gadget id="calculator">6 / (1/5_000_000) / 100_000 / 80</gadget>
<output>15/4 = around 3.75</output>

<result>15/4 = around 3.75</result>