Susan, Arthur, Tom and, Bob are siblings. Arthur is 2 years older than Susan, and Tom is 3 years younger than Bob. If Bob is 11 years old, and Susan is 15 years old, how old are all four family members in total? Let's think step by step and output the final answer after "####".
user
Arthur is 2 years older than Susan, so he is 15 + 2 = <<15+2=17>>17 years old.
Bob is 11 years old, so Tom is 11 - 3 = <<11-3=8>>8 years old.
So in total these four family members have 11 + 15 + 17 + 8 = <<11+15+17+8=51>>51 years.
#### 51
Susan, Arthur, Tom and, Bob are siblings. Arthur is 2 years older than Susan, and Tom is 3 years younger than Bob. If Bob is 11 years old, and Susan is 15 years old, how old are all four family members in total?
train