Given the following shapes: a right_triangle with base 1 and height 1, a right_triangle with base 8 and height 4. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Right triangle with base 1 and height 1: Area = 0.5 x 1 x 1 = 0.5
Right triangle with base 8 and height 4: Area = 0.5 x 8 x 4 = 16.0</think>

<answer>16</answer>