On a map with a scale of 1:5000000, the distance between A and B is 10 cm. If it is drawn on a map with a scale of 1:8000000, how many centimeters should it draw?
在比例尺是1：5000000的地图上量得甲乙两城的距离是10厘米，如果画在1：8000000的地图上应该画多少厘米．
<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>

<gadget id="calculator">10 / (1/5_000_000)</gadget>
<output>50_000_000</output>

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

<gadget id="calculator">50_000_000 * (1/8_000_000)</gadget>
<output>25/4 = around 6.25</output>

<result>25/4 = around 6.25</result>