Evaluate $\lfloor 14.6 \rfloor-\lceil-14.6\rceil$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Evaluate $\lfloor 14.6 \rfloor-\lceil-14.6\rceil$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
28
Evaluate $\lfloor 14.6 \rfloor-\lceil-14.6\rceil$.
train