The scale of a map is 1:5000, the distance on the map is 6 cm, what is the actual distance in meters?
一幅地图的比例尺是1：5000，图上距离是6厘米，实际距离是多少米．
<gadget id="calculator">1 / 5_000</gadget>
<output>1/5_000 = around 0.0002</output>

<gadget id="calculator">6 / (1/5_000)</gadget>
<output>30_000</output>

<gadget id="calculator">30_000 / 100</gadget>
<output>300</output>

<result>300</result>