Xiao Ming uses a compass to draw a circle with a circumference of 18.84 cm. What is the distance between the two corners of the compass?
小明用圆规画一个周长为18.84厘米的圆，那么圆规两角之间的距离是多少．
<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

<result>3</result>