There is a square lotus pond in the garden. Its circumference is 48 meters, what is its area in square meters?
花园里有一个正方形的荷花池．它的周长是48米，面积是多少平方米？
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">12 * 12</gadget>
<output>144</output>

<result>144</result>