On a map with a scale of 1:8,000,000, the length of the road between A and B is 12.5 cm. How many hours does it take for a car to drive from city A to city B at an average speed of 80 kilometers per hour?
在一幅比例尺是1：8000000的地图，量得甲、乙两城之间的路长12.5厘米．一辆汽车以平均每小时80千米的速度从甲城开往乙城，需多少个小时才能到达？
<gadget id="calculator">1 / 8_000_000</gadget>
<output>1/8_000_000 = around 0</output>

<gadget id="calculator">12.5 / (1/8_000_000) / 100_000 / 80</gadget>
<output>12.5</output>

<result>12.5</result>