On a map with a scale of (1/8000000), 25 centimeters represents the actual distance in kilometers.
在一幅比例尺是(1/8000000)的地图上，25厘米表示实际距离多少千米．
<gadget id="calculator">1 / 8_000_000</gadget>
<output>1/8_000_000 = around 0</output>

<gadget id="calculator">25 / (1/8_000_000) / 100_000</gadget>
<output>2_000</output>

<result>2_000</result>