20
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Compute $1+6\cdot2-3+5\cdot4\div2$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
20
Compute $1+6\cdot2-3+5\cdot4\div2$
train