On a map with a scale of 1:10000, the distance on the map is 5 cm, what is the actual distance in meters?
在比例尺为1：10000的地图上，图上距离是5厘米，则实际距离为多少米．
<gadget id="calculator">1 / 10_000</gadget>
<output>1/10_000 = around 0.0001</output>

<gadget id="calculator">5 / (1/10_000)</gadget>
<output>50_000</output>

<gadget id="calculator">50_000 / 100</gadget>
<output>500</output>

<result>500</result>