Given the following shapes: a rectangle with width 1 and height 8, a rectangle with width 3 and height 4. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Rectangle with width 1 and height 8: Area = 1 x 8 = 8
Rectangle with width 3 and height 4: Area = 3 x 4 = 12</think>

<answer>20</answer>