Given the following shapes: a rectangle with width 1 and height 6, a rectangle with width 4 and height 2, a trapezoid with bases 7 and 8 and height 4, a right_triangle with base 1 and height 7. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Rectangle with width 1 and height 6: Area = 1 x 6 = 6
Rectangle with width 4 and height 2: Area = 4 x 2 = 8
Trapezoid with bases 7, 8 and height 4: Area = 0.5 x (7 + 8) x 4 = 30.0
Right triangle with base 1 and height 7: Area = 0.5 x 1 x 7 = 3.5</think>

<answer>48</answer>