Given the following shapes: a right_triangle with base 4 and height 2, a rectangle with width 8 and height 2, a square with side 4. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Right triangle with base 4 and height 2: Area = 0.5 x 4 x 2 = 4.0
Rectangle with width 8 and height 2: Area = 8 x 2 = 16
Square with side 4: Area = 4^2 = 16</think>

<answer>36</answer>