On a map with a scale of 1:5000000, the distance between A and B is 8 cm. If a car drives from A at a speed of 80 kilometers per hour, how long will it take to reach B?
在比例尺是1：5000000的地图上，量得甲、乙两地的距离是8厘米，如果一辆汽车以每小时80千米的速度从甲地开出，几小时到达乙地？
<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>

<gadget id="calculator">8 / (1/5_000_000) / 100_000 / 80</gadget>
<output>5</output>

<result>5</result>