The distance between A and B is 120km, draw it on a map with a scale of 1:600000, how many cm should be drawn.
甲乙两地的距离是120km，把它画在比例尺是1：600000的地图上，应画多少cm．
<gadget id="calculator">1 / 600_000</gadget>
<output>1/600_000 = around 0.000002</output>

<gadget id="calculator">120 * 100_000 * (1/600_000)</gadget>
<output>20</output>

<result>20</result>