The total of Hannah's brothers' ages is 3 * 8 = <<3*8=24>>24.

Hannah is twice as old as the total of her brothers' ages, so Hannah is 24 * 2 = <<24*2=48>>48 years old.

# Answer

48
<|im_start|>system
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<|im_start|>user
Hannah has three brothers. Her brothers are all 8 years old. How old is Hannah if she is twice as old as the sum of her brother's ages?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
48
Hannah has three brothers. Her brothers are all 8 years old. How old is Hannah if she is twice as old as the sum of her brother's ages?
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