Given the following shapes: a right_triangle with base 9 and height 2, a square with side 4, a right_triangle with base 7 and height 5. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Right triangle with base 9 and height 2: Area = 0.5 x 9 x 2 = 9.0
Square with side 4: Area = 4^2 = 16
Right triangle with base 7 and height 5: Area = 0.5 x 7 x 5 = 17.5</think>

<answer>42</answer>