The circumference of a circular pool is 94.2m, what is the area of the bottom of the pool in square meters?
一个圆形水池的周长是94.2m，这个水池的底面积是多少平方米？
<gadget id="calculator">94.2 / 3.14 / 2</gadget>
<output>15</output>

<gadget id="calculator">15 ** 2</gadget>
<output>225</output>

<gadget id="calculator">3.14 * 225</gadget>
<output>706.5</output>

<result>706.5</result>