There is a part on the watch that is 6cm long on the drawing. The scale of this drawing is 50:1. What is the actual length of this part?
手表上有一个零件，画在图纸上长6cm，这张图纸的比例尺是50：1，这个零件的实际长度是多少？
<gadget id="calculator">50 / 1</gadget>
<output>50</output>

<gadget id="calculator">6 / 50</gadget>
<output>3/25 = around 0.12</output>

<result>3/25 = around 0.12</result>