0
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Simplify the following expression. $$[(1\cdot2)+(3\cdot4)-(5\cdot6)+(7\cdot8)]\cdot(9\cdot0)$$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
0
Simplify the following expression. $$[(1\cdot2)+(3\cdot4)-(5\cdot6)+(7\cdot8)]\cdot(9\cdot0)$$
train