A professional grain household builds two conical grain stores, the circumference of the bottom surface is 25.12 square meters, how many square meters does it cover?
一个粮食专业户修两个圆锥形粮食囤，底面周长25.12平方米，占地面积是多少平方米？
<gadget id="calculator">25.12 / 2 / 3.14</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>

<gadget id="calculator">50.24 * 2</gadget>
<output>100.48</output>

<result>100.48</result>