Tom is currently two times older than Ann, which means he is 6 * 2 = <<6*2=12>>12 years old.

In ten years Ann is going to be 6 + 10 = 16 years old.

And Tom is going to be 12 + 10 = <<12+10=22>>22 years old.

So the sum of their ages will be 16 + 22 = <<16+22=38>>38.

# Answer

38
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Ann is 6 years old. Her brother Tom is now two times older. What will be the sum of their ages 10 years later?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
38
Ann is 6 years old. Her brother Tom is now two times older. What will be the sum of their ages 10 years later?
train