If one side of a square is reduced by 2 meters and the other side is increased by 20%, a rectangle with the same area as the original square is obtained. What is the area of the original square in square meters?
一个正方形的一组边长减少2米，另一组边长增加20%，得到一个面积和原来正方形相等的长方形，原来正方形的面积是多少平方米．
<gadget id="calculator">12 * 12</gadget>
<output>144</output>

<result>144</result>