There are 6 trees planted every 4 meters on a circular flowerbed. What is the circumference of the flowerbed in meters?
一个圆形花圃上每隔4米栽一棵树，一共栽了6棵，这个花圃的周长是多少米？
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<result>24</result>