Use a compass to draw a circle with a circumference of 50.24 cm. What is the distance in cm between the two feet of the compass?
用圆规画一个周长是50.24cm的圆，圆规两脚之间的距离是多少cm．
<gadget id="calculator">50.24 / 3.14 / 2</gadget>
<output>8</output>

<result>8</result>