On a map with a scale of (1/6000), a line segment 3.5 cm long represents the actual distance in kilometers.
在比例尺是(1/6000)的图上，3.5厘米长的线段表示实际距离多少千米．
<gadget id="calculator">1 / 6_000</gadget>
<output>1/6_000 = around 0.000167</output>

<gadget id="calculator">3.5 / (1/6_000) / 100_000</gadget>
<output>0.21</output>

<result>0.21</result>