prompt: Christian is twice as old as Brian. In eight more years, Brian will be 40 years old. How old will Christian be in eight years?
messages.content: Christian is twice as old as Brian. In eight more years, Brian will be 40 years old. How old will Christian be in eight years?
messages.role: user
messages.content: If in eight years Brian will be 40 years old, he is currently 40-8 = <<40-8=32>>32 years old.
  Since Christian is twice as old as Brian, he is 2*32 = <<2*32=64>>64 years old.
  In 8 years, Christian will be 64+8 = <<64+8=72>>72 years old.
  #### 72
messages.role: assistant