If the area of a rectangle is 12 square centimeters (the length and width are both integer centimeters), what is the maximum circumference of it in centimeters?
一个长方形的面积是12平方厘米(长和宽均为整厘米数)那么它的周长最大是多少厘米
<gadget id="calculator">12 + 1</gadget>
<output>13</output>

<gadget id="calculator">13 * 2</gadget>
<output>26</output>

<result>26</result>