Answer:
Step-by-step explanation:
Alright, lets get started.
There are two top parts of the figure.
The first part area is : 
The second part area is : 
The area of bottom of the figure is : 
Left side surface area is : 
Right side surface area will be in two parts : 
The area of front and back will be same, so = 
Similarly, the area of back will be : 76
Adding each area = 
So, total surface area will be = 392 square feet : Answer
Hope it will help :)