The distance between the two cities A and B is 51km, drawn on a map with a scale of 1:600000, what is the distance in centimeters between A and B on the map?
A，B两城市之间的距离是51km，画在比例尺是1：600000的地图上，A，B两地之间的图上距离是多少厘米？
<gadget id="calculator">1 / 600_000</gadget>
<output>1/600_000 = around 0.000002</output>

<gadget id="calculator">51 * 100_000 * (1/600_000)</gadget>
<output>17/2 = around 8.5</output>

<result>17/2 = around 8.5</result>