On a map with a scale of 1:2000000, the distance between AB and AB is 8 cm. If a car travels 50 kilometers per hour, how many hours does it take to get from point A to point B?
比例尺是1：2000000的地图上量得AB两地的距离是8厘米．如果一辆汽车每小时行50千米，从A地到B地需要多少小时？
<gadget id="calculator">1 / 2_000_000</gadget>
<output>1/2_000_000 = around 0</output>

<gadget id="calculator">8 / (1/2_000_000) / 100_000 / 50</gadget>
<output>16/5 = around 3.2</output>

<result>16/5 = around 3.2</result>