On a map with a scale of 1:2000, a line segment of 8 cm represents the actual distance in kilometers.
在比例尺为1：2000的地图上，8厘米的线段代表实际距离多少千米．
<gadget id="calculator">1 / 2_000</gadget>
<output>1/2_000 = around 0.0005</output>

<gadget id="calculator">8 / (1/2_000) / 100_000</gadget>
<output>4/25 = around 0.16</output>

<result>4/25 = around 0.16</result>