Use a 24-meter fence to enclose a square flowerbed along the wall, and use the wall on one side. If the length of each side is an integer, what is the maximum area of the enclosure?
用24米的栅栏沿着围墙围一个正方形花圃，其中一面利用围墙，如果，每个边长的长度都是整数，那么围的最大面积是多少．
<gadget id="calculator">24 / 3</gadget>
<output>8</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<result>64</result>