Scale bar 1: 1000000 means that the distance on the map is 1 cm, which is equivalent to the actual distance in kilometers.
比例尺1：1000000表示图上距离1厘米，相当于实际距离多少千米．
<gadget id="calculator">1_000_000 / 1 / 100_000</gadget>
<output>10</output>

<result>10</result>