In a square, one set of opposite sides increases by 10%, and the other set of opposite sides decreases by 2 cm, the area remains the same. What is the area of this square.
一个正方形，一组对边增加10%，另一组对边减少2厘米，面积不变．这个正方形的面积是多少．
<gadget id="calculator">22 * 22</gadget>
<output>484</output>

<result>484</result>