Given the following shapes: a right_triangle with base 9 and height 4, a trapezoid with bases 7 and 2 and height 8. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Right triangle with base 9 and height 4: Area = 0.5 x 9 x 4 = 18.0
Trapezoid with bases 7, 2 and height 8: Area = 0.5 x (7 + 2) x 8 = 36.0</think>

<answer>54</answer>