solution: Multiply $5\text{ yaps}=3\text{ baps}$ by 14 to find that 70 yaps are equal to 42 baps.  Then multiply $4\text{ daps}=7\text{ yaps}$ by 10 to find that $\boxed{40}$ daps are equal to 70 yaps.
prompt.content: <|im_start|>system
  You are a helpful assistant.<|im_end|>
  <|im_start|>user
  If 4 daps = 7 yaps, and 5 yaps = 3 baps, how many daps equal 42 baps?
  Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
  <|im_start|>assistant
  
prompt.role: user
extra_info.answer: 40
extra_info.question: If 4 daps = 7 yaps, and 5 yaps = 3 baps, how many daps equal 42 baps?
extra_info.split: test