The perimeter of a circular flower bed is 21.98 meters, what is the radius of the flower bed in meters?
一个圆形花坛的周长是21.98米，这个花坛的半径是多少米？
<gadget id="calculator">21.98 / 3.14 / 2</gadget>
<output>3.5</output>

<result>3.5</result>