On a map with a scale of 1:5,000,000, the distance between A and B is 5.4 cm. If the car is traveling at a speed of 60 km/h, how many hours will it take to complete the journey?
在比例尺1：5000000的地图上，量得甲、乙两地相距是5.4厘米，如果汽车已60千米/小时的速度行驶，要几小时行完全程？
<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>

<gadget id="calculator">5.4 / (1/5_000_000) / 100_000 / 60</gadget>
<output>4.5</output>

<result>4.5</result>