as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
given the following user query "how much does a gallon of milk cost", list 3 phrases that could be used to provide an answer.
user
- the average price of a gallon of milk is ___. 
- a gallon of milk costs approximately ___.
- a gallon of milk will set you back around ___.
assistant