On a map with a scale of 1:6000000, the distance between the two places is measured to be 5 cm, so what is the actual distance in kilometers between the two places?
在比例尺是1：6000000的地图上，量得两地的距离是5厘米，那么两地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>