A part is 8 cm long, and the length drawn on the design drawing is 16 mm. What is the scale of this drawing?
一个零件长8厘米，画在设计图上的长度是16毫米，这幅图的比例尺是多少
<gadget id="calculator">16 / 80</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>