Given the following shapes: a right_triangle with base 4 and height 1, a rectangle with width 3 and height 1, a rectangle with width 2 and height 4. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Right triangle with base 4 and height 1: Area = 0.5 x 4 x 1 = 2.0
Rectangle with width 3 and height 1: Area = 3 x 1 = 3
Rectangle with width 2 and height 4: Area = 2 x 4 = 8</think>

<answer>13</answer>