Uncle Wang wants to use a wall to enclose a chicken farm. The total length of the fence is 25.12 meters. What is the maximum area of the chicken farm?
王伯伯要利用一面墙围一个鸡场，篱笆总长是25.12米，围成这个鸡场面积最大是多少平方米？
<gadget id="calculator">25.12 / 3.14</gadget>
<output>8</output>

<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">64 / 2</gadget>
<output>32</output>

<gadget id="calculator">3.14 * 32</gadget>
<output>100.48</output>

<result>100.48</result>