Given that the circumference of a circle is 25.12cm, what is the distance in cm between the two toes of the compass when drawing this circle
已知一个圆的周长是25.12cm，画这个圆时圆规两脚尖之间的距离是多少cm
<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<result>4</result>