When the scale is (1/10000), 1 cm in the picture represents the actual distance in meters.
比例尺是(1/10000)时，图中1厘米，表示实际距离是多少米．
<gadget id="calculator">1 / 10_000</gadget>
<output>1/10_000 = around 0.0001</output>

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

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

<result>100</result>