prompt: James has 20 years of experience.  8 years ago John had twice as much experience as James.  Mike started when John had 16 years of experience.  What is their combined experience?
messages.content: James has 20 years of experience.  8 years ago John had twice as much experience as James.  Mike started when John had 16 years of experience.  What is their combined experience?
messages.role: user
messages.content: 8 years ago James had 20-8=<<20-8=12>>12 years
  So 8 years ago John had 12*2=24 years experience
  That means John has 24+8=<<24+8=32>>32 years experience
  So Mike has 32-16=<<32-16=16>>16 years of experience
  So together they have 20+32+16=<<20+32+16=68>>68 years experience
  #### 68
messages.role: assistant