question: Steve is 60 years old. His wife is 4 years older than him. Their son is currently half as old as his mom and their son's wife is 3 years younger than her husband. How old is Steve's son's wife?
answer: Steve's wife is 60+4=<<60+4=64>>64 years old.
  Steve's son is 64/2=<<64/2=32>>32 years old.
  His wife is 32-3=<<32-3=29>>29 years old.
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