Given the following shapes: a right_triangle with base 1 and height 4, a rectangle with width 5 and height 8. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Right triangle with base 1 and height 4: Area = 0.5 x 1 x 4 = 2.0
Rectangle with width 5 and height 8: Area = 5 x 8 = 40</think>

<answer>42</answer>