On a plan view, a line segment of 5 cm represents the actual distance of 50 meters. What is the scale of this picture.
在一幅平面图上，5厘米的线段表示实际距离50米．这幅图的比例尺是多少．
<gadget id="calculator">50 * 100</gadget>
<output>5_000</output>

<gadget id="calculator">5 / 5_000</gadget>
<output>1/1_000 = around 0.001</output>

<result>1/1_000 = around 0.001</result>