22
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If the operation $Z$ is defined as $a Z b = b + 10a - a^2$, what is the value of $2Z6$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
22
If the operation $Z$ is defined as $a Z b = b + 10a - a^2$, what is the value of $2Z6$?
train