Given :
Area of room excluding closet is ,
.
Area of closet is ,
.
To Find :
Area of max's room including the closet .
Solution :
Let , area of max's room including the closet is A .
So , Total area = Area of room excluding closet + Area of closet .

Therefore , area of his room ,including the closet is 246.125 square feet .
Hence , this is the required solution .