In a circle with an area of 50.24 square centimeters, construct the largest square, what is the area of this square in square centimeters?
在一个面积为50.24平方厘米的圆内，作一个最大的正方形，则这个正方形的面积是多少平方厘米．
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

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

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

<result>32</result>