By what integer factor must 9! be multiplied to equal 11!?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
By what integer factor must 9! be multiplied to equal 11!?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
110
By what integer factor must 9! be multiplied to equal 11!?
train