On a map with a scale of 1:500,000, the measured distance between the two places is 5 cm. What is the actual distance between the two places?
在比例尺是1：500000的地图上，量得两地间的距离是5厘米，两地间的实际距离是多少？
<gadget id="calculator">1 / 500_000</gadget>
<output>1/500_000 = around 0.000002</output>

<gadget id="calculator">5 / (1/500_000) / 100_000</gadget>
<output>25</output>

<result>25</result>