On a map with a scale of 1:12500000, the distance between the two cities is 8 cm. Then on a map with a scale of 1:8000000, what is the distance in centimeters on the map.
在比例尺是1：12500000的地图上，量得两城市之间的距离是8厘米．那么在比例尺是1：8000000的地图上，图上距离是多少厘米．
<gadget id="calculator">1 / 12_500_000</gadget>
<output>1/12_500_000 = around 0</output>

<gadget id="calculator">8 / (1/12_500_000)</gadget>
<output>100_000_000</output>

<gadget id="calculator">1 / 8_000_000</gadget>
<output>1/8_000_000 = around 0</output>

<gadget id="calculator">100_000_000 * (1/8_000_000)</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>