The perimeter of a square is 32 cm, from which the largest circle is cut. What is the area of this circle in square centimeters?
一个正方形的周长是32厘米，从中剪一个最大的圆．这个圆的面积是多少平方厘米？
<gadget id="calculator">32 / 4</gadget>
<output>8</output>

<gadget id="calculator">8 / 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>