If a square frame with a side length of 4 decimeters is drawn into a parallelogram with a height of 3 decimeters, what is the area of the parallelogram in square decimeters?
将-个边长为4分米的正方形框架拉成一个高是3分米的平行四边形，则平行四边形的面积是多少平方分米．
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<result>12</result>