<human>:  Tom's brother is 4 times as old as Tom's dog. If in 6 years, Tom's brother will be 30 years, how old is Tom's dog going to be in six years?
<bot>: How old is Tom's brother currently? ** If in six years Tom's brother will be 30 years old, he is currently 30-6 = <<30-6=24>>24 years old.
How old is Tom's dog currently? ** Since Tom's brother is 4 times as old as Tom's dog, Tom's dog is 24/4 = <<24/4=6>>6 years old currently.
How old will Tom's dog be in six years? ** Tom's dog will be 6+6 = <<6+6=12>>12 years old in six years.
#### 12