The distance between A and B is 6 kilometers, how many centimeters should be drawn on a map with a scale of 1:300000.
A、B两地相距6千米，在比例尺是1：300000的地图上应画多少厘米．
<gadget id="calculator">1 / 300_000</gadget>
<output>1/300_000 = around 0.000003</output>

<gadget id="calculator">6 * 100_000 * (1/300_000)</gadget>
<output>2</output>

<result>2</result>