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To find the total surface area of the steamer basket, we need to calculate the areas of both circular bases and the rectangular face, and then add them together.
Let's assume the radius of the circular base is r.
Area of each circular base = πr^2
Total area of both circular bases = 2Ï€r^2
Area of the rectangular face = length * width = lw
Total surface area = 2Ï€r^2 + lw