A farmer newly excavates a circular pool. The circumference of the pool is 25.12 meters. What is the area of the pool in square meters?
一个农民新开挖一个圆形水池，水池的周长是25.12米，求水池占地的面积是多少平方米？
<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

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

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

<result>50.24</result>