Given the following shapes: a rectangle with width 8 and height 2, a right_triangle with base 1 and height 4. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Rectangle with width 8 and height 2: Area = 8 x 2 = 16
Right triangle with base 1 and height 4: Area = 0.5 x 1 x 4 = 2.0</think>

<answer>18</answer>