Given the following shapes: a square with side 3, a trapezoid with bases 3 and 4 and height 3. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Square with side 3: Area = 3^2 = 9
Trapezoid with bases 3, 4 and height 3: Area = 0.5 x (3 + 4) x 3 = 10.5</think>

<answer>20</answer>