Uncle Li bought a 62.8-meter-long fence and planned to build a chicken coop on an open space behind the house. May I ask: What is the enclosure like, and the chicken coop has the largest area? What is the maximum area in square meters?
李叔叔买来62.8米长的栅栏，准备在房后的一块空地上围成一个鸡舍．请问：围成什么样子，鸡舍的面积最大？最大面积是多少平方米？
<gadget id="calculator">62.8 / 3.14 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>

<result>314</result>