Given the following shapes: a rectangle with width 1 and height 5, a right_triangle with base 4 and height 5. What is the total area of all shapes? Please round the result to the nearest integer.
<think>Rectangle with width 1 and height 5: Area = 1 x 5 = 5
Right triangle with base 4 and height 5: Area = 0.5 x 4 x 5 = 10.0</think>

<answer>15</answer>