right-angled trapezoid with a height of 4.4cm becomes a square by reducing its lower base by 1.2cm. What is the area of the trapezoid in cm**2.
一个高为4.4cm的直角梯形，把它的下底减少1.2cm就变成了一个正方形，这个梯形的面积是多少cm**2．
<gadget id="calculator">4.4 + 4.4 + 1.2</gadget>
<output>10</output>

<gadget id="calculator">4.4 / 2</gadget>
<output>2.2</output>

<gadget id="calculator">10 * 2.2</gadget>
<output>22</output>

<result>22</result>