Scale bar 1:1000 means that the distance on the map is the actual distance ((())/(())), and 1 cm on the map represents the actual distance in meters.
比例尺1：1000表示图上距离是实际距离的((())/(()))，图上1厘米表示实际距离多少米．
<gadget id="calculator">1_000 / 1 / 1</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 / 100</gadget>
<output>10</output>

<result>10</result>