There is a circular flower bed on the square. Its circumference is 62.8 meters. How many square meters does this flower bed occupy?
广场上有一个圆形的花坛，它的周长是62.8米，这个花坛占地多少平方米？
<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>