5.2.4.12 Various Problems on the Plane

Let in the trapezoid \ (a b c d \) on the basis \ (b c \) and \ (a d \) points \ (m \) and \ (n \), respectively. The areas of triangles \ (C D Q \) and \ (A B P \) are 3 and 2, respectively. Find the area of the quadrangle \ (M q n p \).