A tree is planted every 6 meters along the perimeter of a garden, and a total of 65 trees are planted. What is the perimeter of the garden in meters?
沿一个花园四周每隔6米栽一棵树，一共栽了65棵，求这个花园的周长是多少米？
<gadget id="calculator">6 * 65</gadget>
<output>390</output>

<result>390</result>