Given the following shapes: a right_triangle with base 8 and height 5, a right_triangle with base 4 and height 8. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Right triangle with base 8 and height 5: Area = 0.5 x 8 x 5 = 20.0
Right triangle with base 4 and height 8: Area = 0.5 x 4 x 8 = 16.0</think>

<answer>36</answer>