How many numbers are in the list $ -36, -29, -22, \ldots, 41, 48?$
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
How many numbers are in the list $ -36, -29, -22, \ldots, 41, 48?$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
13
How many numbers are in the list $ -36, -29, -22, \ldots, 41, 48?$
train