conversations.from: human
conversations.value: Can you guide me through solving this problem: Bruce buys 5 packs of crayons at $5 each, 10 books at $5 each, and 3 calculators at $5 each. If he has $200, how many bags can he buy with the change if one costs $10 each?
conversations.from: assistant
conversations.value: He pays 5*5=$25 for buying crayons.
  He pays 10*5=$50 for buying books.
  He pays 3*5=$15 for buying calculators.
  The change he has for buying bags is 200-25-50-15=$110.
  The number of bags he can buy is 110/10=11 bags.