The distance between the two places is 125 kilometers. Draw it on a map with a scale of 1:5,000,000. How many centimeters are used to draw it?
两地相距125千米，画在比例尺为1：5000000的地图上，用画多少厘米．
<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>

<gadget id="calculator">125 * 100_000 * (1/5_000_000)</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>