The perimeter of a square is 32 decimeters, and a parallelogram is equal to its base and height. What is the area of this parallelogram?
一个正方形的周长是32分米，一个平行四边形和它等底等高，这个平行四边形的面积是多少．
<gadget id="calculator">32 / 4</gadget>
<output>8</output>

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

<result>64</result>