The distance from Nanjing to Shanghai is about 350 kilometers. How many centimeters should be drawn on a map with a scale of 1:5,000,000?
南京到上海的距离大约是350千米，在比例尺是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">(1/5_000_000) * 35_000_000</gadget>
<output>7</output>

<result>7</result>