The distance between the two cities is 900 kilometers, how many centimeters should be drawn on a plan with a scale of 1:6000000.
两城市相距900千米，在比例尺是1：6000000的平面图上应画多少厘米．
<gadget id="calculator">1 / 6_000_000</gadget>
<output>1/6_000_000 = around 0</output>

<gadget id="calculator">900 * 100_000 * (1/6_000_000)</gadget>
<output>15</output>

<result>15</result>