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
hans went to a pet shop. he bought 15 gold fish and 7 blue fish. how many fish did he buy? think step-by-step.
user
we add 15 to 7 and get 22. thus, hans bought 22 fish at the pet shop.
assistant