The scale of a map is 1:6,000,000. The distance between A and B on the map is 12.5 cm. How many hours does it take for a car to drive from A to B at a speed of 75 kilometers per hour.
一幅地图的比例尺是1：6000000，地图上A、B两地的距离是12.5厘米，一辆汽车以每小时75千米的速度从A地开往B地，需要多少小时．
<gadget id="calculator">1 / 6_000_000</gadget>
<output>1/6_000_000 = around 0</output>

<gadget id="calculator">12.5 / (1/6_000_000) / 100_000 / 75</gadget>
<output>10</output>

<result>10</result>