WILL GIVE CROWN..........Area of triangle PQR = 10.2 square units Area of triangle PRS = 11.5 square units Area of triangle PST = 16.3 square units A polygon PQRST is shown. The vertices P and R are joined with a dashed line, and the vertices P and S are joined with a dashed line. The area of Figure PQRST is ______ square units. (Input whole number only.)