Draw a circle with a circumference of 62.8 cm, what is the distance in cm between the two feet of the compass.
画周长为62.8cm的圆，圆规两脚间的距离是多少厘米．
<gadget id="calculator">62.8 / 3.14 / 2</gadget>
<output>10</output>

<result>10</result>