Evaluate $\lfloor 11.1 \rfloor + 2 \cdot \lfloor 0.5 \cdot 11.1 \rfloor .$
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Evaluate $\lfloor 11.1 \rfloor + 2 \cdot \lfloor 0.5 \cdot 11.1 \rfloor .$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
21
Evaluate $\lfloor 11.1 \rfloor + 2 \cdot \lfloor 0.5 \cdot 11.1 \rfloor .$
train