The distance between A and B is 424 meters. If you draw a map with a scale of (1/2000), how many centimeters should you draw?
甲、乙两地相距424米，画一幅比例尺是(1/2000)的地图，应该画多少厘米．
<gadget id="calculator">424 * 100</gadget>
<output>42_400</output>

<gadget id="calculator">1 / 2_000</gadget>
<output>1/2_000 = around 0.0005</output>

<gadget id="calculator">42_400 * (1/2_000)</gadget>
<output>106/5 = around 21.2</output>

<result>106/5 = around 21.2</result>