In a circle with a circumference of 25.12 cm, draw the largest square, what is the area of the square in cm2?
在一个周长为25.12厘米的圆内，画一个最大的正方形，正方形面积是多少平方厘米．
<gadget id="calculator">25.12 / 3.14</gadget>
<output>8</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

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

<gadget id="calculator">8 * 2 * 2</gadget>
<output>32</output>

<result>32</result>