My father's age is $1222_{3}$, in base three to represent his three lower limbs -- two legs and a cane.  How old is he in base ten?
<|im_start|>system
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<|im_start|>user
My father's age is $1222_{3}$, in base three to represent his three lower limbs -- two legs and a cane.  How old is he in base ten?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
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My father's age is $1222_{3}$, in base three to represent his three lower limbs -- two legs and a cane.  How old is he in base ten?
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