Given the following shapes: a rectangle with width 6 and height 3, a right_triangle with base 1 and height 1, a rectangle with width 4 and height 3. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Rectangle with width 6 and height 3: Area = 6 x 3 = 18
Right triangle with base 1 and height 1: Area = 0.5 x 1 x 1 = 0.5
Rectangle with width 4 and height 3: Area = 4 x 3 = 12</think>

<answer>30</answer>