IMSO 2014 — Math Division — Short Answer Question 15

Let $ABCD$ be a rectangle such that $AD=8$ cm and $CD=12$ cm. If point $P$ is on $CD$ such that $DP=AD$ and point $Q$ is on $AD$ such that $DQ=CP$, then what is the area, in cm², of quadrilateral $ABPQ$?