Given the following shapes: a rectangle with width 2 and height 1, a square with side 1, a rectangle with width 3 and height 6. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Rectangle with width 2 and height 1: Area = 2 x 1 = 2
Square with side 1: Area = 1^2 = 1
Rectangle with width 3 and height 6: Area = 3 x 6 = 18</think>

<answer>21</answer>