On a map with a scale of 1:200,000, the distance between the two places is 5 cm. What is the distance between the two places on a map with a scale of 1:500,000?
在比例尺是1：200000的地图上量得两地距离是5厘米，如果在1：500000的地图上两地的距离是多少？
<gadget id="calculator">1 / 200_000</gadget>
<output>1/200_000 = around 0.000005</output>

<gadget id="calculator">5 / (1/200_000)</gadget>
<output>1_000_000</output>

<gadget id="calculator">1 / 500_000</gadget>
<output>1/500_000 = around 0.000002</output>

<gadget id="calculator">1_000_000 * (1/500_000)</gadget>
<output>2</output>

<result>2</result>