Carlos is building three gardens, each the same size, in his backyard. Each garden is in the shape of a square with a 3 foot by 3 foot section removed from each of the four corners. One garden is shown below.

What is the total area of all three gardens?

Carlos is building three gardens each the same size in his backyard Each garden is in the shape of a square with a 3 foot by 3 foot section removed from each of class=