Cut out a largest circle with a circumference of 18.84 cm from a square paper, how many cm is the side length of the square?
从一张正方形纸上剪成一个周长是18.84厘米的最大圆，正方形的边长有多少厘米？
<gadget id="calculator">18.84 / 3.14</gadget>
<output>6</output>

<result>6</result>