The distance between A and B is 50 kilometers. Draw it on a map with a scale of 1:500000. What is the distance in centimeters on the map?
甲、乙两地相距50千米，把它画在比例尺是1：500000的地图上，图上距离是多少厘米．
<gadget id="calculator">1 / 500_000</gadget>
<output>1/500_000 = around 0.000002</output>

<gadget id="calculator">50 * 100_000 * (1/500_000)</gadget>
<output>10</output>

<result>10</result>