Xiaohu wants to cut a circular piece of paper with an area of 50.24cm**2, and he needs to prepare a square piece of paper with the smallest area of cm**2.
小虎要剪一个面积是50.24cm**2的圆形纸片，他要准备一张面积最小是多少cm**2的正方形纸片．
<gadget id="calculator">50.24 / 3.14</gadget>
<output>16</output>

<gadget id="calculator">4 * 16</gadget>
<output>64</output>

<result>64</result>