The distance between A and B is 8km. On a map with a scale of 1:50000, what is the distance in cm between A and B on the map.
甲乙两地相距8km，在比例尺是1：50000的地图上，甲乙两地的图上距离是多少cm．
<gadget id="calculator">1 / 50_000</gadget>
<output>1/50_000 = around 0.00002</output>

<gadget id="calculator">8 * 100_000 * (1/50_000)</gadget>
<output>16</output>

<result>16</result>