A rectangle is obtained by reducing one side of a square by 20% and increasing the other side by 2 meters. It has the same area as the original square. So what is the area of the square in square meters?
把一个正方形的一边减少20%，另一边增加2米，得到一个长方形．它与原来的正方形面积相等．那么正方形的面积是多少平方米．
<gadget id="calculator">1.6 / 0.2</gadget>
<output>8</output>

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

<result>64</result>