What is the sum of the coordinates of the midpoint of the segment with endpoints $(8, 5)$ and $(2, -1)$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the sum of the coordinates of the midpoint of the segment with endpoints $(8, 5)$ and $(2, -1)$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
7
What is the sum of the coordinates of the midpoint of the segment with endpoints $(8, 5)$ and $(2, -1)$?
train