On a map with a scale of 1:2000000, the distance between A and B is 4.8 cm. If a car starts from A at a speed of 80 kilometers per hour, how many hours can it reach B?
在一幅比例尺1：2000000的地图上量得甲、乙两地的距离是4.8厘米，一辆轿车以每小时80千米的速度从甲地出发，几小时能到达乙地？
<gadget id="calculator">1 / 2_000_000</gadget>
<output>1/2_000_000 = around 0</output>

<gadget id="calculator">4.8 / (1/2_000_000) / 100_000 / 80</gadget>
<output>1.2</output>

<result>1.2</result>