Cut off a triangle with an area of 6 from a parallelogram, what is the minimum area of the original parallelogram?
从一个平行四边形中截取一个面积是6的三角形，问原来的平行四边形的面积最少是多少？
<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<result>12</result>