On a map with a scale of 1:100,000, what is the actual distance in kilometers represented by 5 cm on the map?
在一幅比例尺是1：100000的地图上，图上距离5厘米表示的实际距离是多少千米．
<gadget id="calculator">1 / 100_000</gadget>
<output>1/100_000 = around 0.00001</output>

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

<result>5</result>