The perimeter of the rectangle is 4.4 decimeters, and the length is reduced by 0.6 decimeters to become a square. What is the area of the original rectangle?
长方形的周长是4.4分米，长减少0.6分米，就成为一个正方形，原来长方形面积是多少．
<gadget id="calculator">4.4 / 2</gadget>
<output>2.2</output>

<gadget id="calculator">2.2 - 0.6</gadget>
<output>1.6</output>

<gadget id="calculator">1.6 / 2</gadget>
<output>0.8</output>

<gadget id="calculator">2.2 - 0.8</gadget>
<output>1.4</output>

<gadget id="calculator">1.4 * 0.8</gadget>
<output>1.12</output>

<result>1.12</result>