Diana is twice as old as Grace is today. If Grace turned 3 a year ago, how old is Diana today? Let's think step by step and output the final answer after "####".
user
Today, Grace is 3 + 1 = <<3+1=4>>4 years old.
So, Diana is 4*2 = <<4*2=8>>8 years old today.
#### 8
Diana is twice as old as Grace is today. If Grace turned 3 a year ago, how old is Diana today?
train