Answer is 57 units squared
Step by step
First I will find the total area
A = L x W
A = 11 x 7
A = 77
Now to find the area of the missing space and subtract that from the total area of 77
L = 11 - 4 - 2 = 5
W = 7 - 3 = 4
A = 5 x 4
A = 20 area of cut out missing space
77 - 20 = 57 units squared