The perimeter of a square vegetable patch is equal to that of a rectangular garden with a perimeter of 68 meters. What is the side length of the vegetable patch in meters?
正方形菜地和周长是68米的长方形花园的周长相等，菜地边长是多少米
<gadget id="calculator">68 / 4</gadget>
<output>17</output>

<result>17</result>