A square flower pond. The perimeter is 32 meters, what is its area in square meters?
一个正方形的花池．周长是32米，它的面积是多少平方米．
<gadget id="calculator">32 / 4</gadget>
<output>8</output>

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

<result>64</result>