On a map with a scale of 1:6000000, what is the actual distance in kilometers represented by a line segment 5 cm long?
在一幅比例尺是1：6000000的地图上，5厘米长的线段表示的实际距离是多少千米．
<gadget id="calculator">1 / 6_000_000</gadget>
<output>1/6_000_000 = around 0</output>

<gadget id="calculator">5 / (1/6_000_000) / 100_000</gadget>
<output>300</output>

<result>300</result>