On a map with a scale of 1:10000, the distance between cities A and B is 5 cm, so what is the distance in cm between cities A and B on a map with a scale of 1:5000?
在比例尺是1：10000的地图上，量得A、B两城市的距离是5cm，那么在1：5000的地图上A、B两城市的距离是多少cm．
<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">1 / 5_000</gadget>
<output>1/5_000 = around 0.0002</output>

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

<result>10</result>