<human>:  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?
<bot>: How old is Brian currently? ** If in eight years Brian will be 40 years old, he is currently 40-8 = <<40-8=32>>32 years old.
How old is Christian currently? ** Since Christian is twice as old as Brian, he is 2*32 = <<2*32=64>>64 years old.
How old will Christian be in 8 years? ** In 8 years, Christian will be 64+8 = <<64+8=72>>72 years old.
#### 72