In 2 years, my dog will be 4 years old, so my dog is 4 - 2 = <<4-2=2>>2 years old now.

So I am 15 + 2 = <<15+2=17>>17 years old now.

# Answer

17
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
My dog was born when I was 15 years old. Two years from now, my dog will turn 4 years old. How old am I now?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
17
My dog was born when I was 15 years old. Two years from now, my dog will turn 4 years old. How old am I now?
train