The actual distance between the two cities is 135 kilometers, how many centimeters should be drawn on a map with a scale of 1:5,000,000.
两城实际距离135千米，在比例尺1：5000000的地图上，应画多少厘米．
<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>

<gadget id="calculator">135 * 100_000 * (1/5_000_000)</gadget>
<output>27/10 = around 2.7</output>

<result>27/10 = around 2.7</result>