Given the following shapes: a right_triangle with base 3 and height 3, a right_triangle with base 9 and height 7. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Right triangle with base 3 and height 3: Area = 0.5 x 3 x 3 = 4.5
Right triangle with base 9 and height 7: Area = 0.5 x 9 x 7 = 31.5</think>

<answer>36</answer>