The circumference of a circular mirror is 50.24 cm, what is the area of the circular mirror in square centimeters?
一面圆镜的周长是50.24cm，圆镜的面积是多少平方厘米？
<gadget id="calculator">50.24 / 3.14 / 2</gadget>
<output>8</output>

<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">3.14 * 64</gadget>
<output>200.96</output>

<result>200.96</result>