The perimeter of a square garden is 24 meters, what is the area of the garden in square meters?
一个正方形花圃的周长是24米，这个花圃的面积是多少平方米．
<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<result>36</result>