On a map with a scale of 1:1500000, the distance between A and B is 13cm. A bus departs from City A and travels 65 kilometers per hour. How long does it take to reach City B?
在一幅比例尺是1：1500000的地图上，量得甲、乙两个城市之间的距离等于13cm．一辆客车从甲城出发，每小时行65千米，到达乙城需要多少小时？
<gadget id="calculator">1 / 1_500_000</gadget>
<output>1/1_500_000 = around 0.000001</output>

<gadget id="calculator">13 / (1/1_500_000) / 100_000 / 65</gadget>
<output>3</output>

<result>3</result>