Cut out the largest circle from a square tablecloth. The area of this circle is 50.24 square decimeters. What is the area of this square tablecloth?
从一块正方形桌布上剪下一个最大的圆，这个圆的面积是50.24平方分米，这块正方形桌布面积是多少？
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

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

<result>64</result>