A parallelogram, when one of its bases is increased by 20%, the parallelogram becomes a right-angled trapezoid, and its area increases by 8 square centimeters. What is the area of the original parallelogram in square centimeters?
一个平行四边形，它的一条底增加20%后，这个平行四边形就变成了直角梯形，面积比原来增加了8平方厘米，原平行四边形的面积是多少平方厘米．
<result>80</result>