The distance between Beijing and Guangzhou is 2,400 kilometers. If you draw it on a map with a scale of (1/3,000,000), how many centimeters should you draw between the two places?
北京到广州2400千米，把它画在比例尺是(1/3000000)的地图上，两地相距应画多少厘米？
<gadget id="calculator">1 / 3_000_000</gadget>
<output>1/3_000_000 = around 0</output>

<gadget id="calculator">2_400 * 100_000 * (1/3_000_000)</gadget>
<output>80</output>

<result>80</result>