Draw a circle with a circumference of 62.8 cm. What is the distance between the two feet of the compass in cm?
画一个周长为62.8厘米的圆，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>