Given the following shapes: a trapezoid with bases 5 and 5 and height 3, a right_triangle with base 5 and height 1. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Trapezoid with bases 5, 5 and height 3: Area = 0.5 x (5 + 5) x 3 = 15.0
Right triangle with base 5 and height 1: Area = 0.5 x 5 x 1 = 2.5</think>

<answer>18</answer>