On a map with a scale of 1:6,000,000, the length of the road between A and B is measured to be 5 cm. It takes 5 hours for a truck to drive from city A to city B, how many kilometers does it travel per hour?
在一幅比例尺是1：6000000的地图，量得甲、乙两城之间的公路长5厘米．一辆货车从甲城开往乙城用了5小时到达，每小时行多少千米？
<gadget id="calculator">1 / 6_000_000</gadget>
<output>1/6_000_000 = around 0</output>

<gadget id="calculator">5 / (1/6_000_000) / 100_000 / 5</gadget>
<output>60</output>

<result>60</result>