If a circle with a circumference of 6.28 cm is drawn, what is the distance in cm between the two legs of the compass?
画一个周长为6.28cm的圆，则圆规两脚之间的距离为多少cm．
<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">6.28 / 6.28</gadget>
<output>1</output>

<result>1</result>