What is the area of a square garden with a perimeter of 32 meters?
一块周长为32米的正方形花园，它的面积是多少？
<gadget id="calculator">32 / 4</gadget>
<output>8</output>

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

<result>64</result>