Given the following shapes: a right_triangle with base 3 and height 4, a right_triangle with base 6 and height 2. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Right triangle with base 3 and height 4: Area = 0.5 x 3 x 4 = 6.0
Right triangle with base 6 and height 2: Area = 0.5 x 6 x 2 = 6.0</think>

<answer>12</answer>