The distance between A and B is 120km. On a map with a scale of 1:800000, measure the distance in cm between the two places.
甲、乙两地的距离为120km，在比例尺是1：800000的地图上，量出两地的距离为多少cm．
<gadget id="calculator">1 / 800_000</gadget>
<output>1/800_000 = around 0.000001</output>

<gadget id="calculator">120 * 100_000 * (1/800_000)</gadget>
<output>15</output>

<result>15</result>