You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "future_investment_value", "description": "Calculates the future value of an investment based on the present value, annual interest rate, and number of years.", "parameters": {"present_value": {"description": "The present value of the investment.", "type": "float"}, "annual_interest_rate": {"description": "The annual interest rate as a decimal (e.g., 0.05 for 5%).", "type": "float"}, "years": {"description": "The number of years the investment will grow.", "type": "int"}}}, {"name": "find_kth_smallest_number", "description": "Finds the kth smallest number in a list.", "parameters": {"nums": {"description": "The list of numbers.", "type": "List[int]"}, "k": {"description": "The position (1-based index) of the smallest number to find.", "type": "int"}}}]
What is the future value of an investment with a present value of $20,000, a yearly interest rate of 6% over a time period of 15 years?
user
assistant
[{"name": "future_investment_value", "arguments": {"present_value": 20000.0, "annual_interest_rate": 0.06, "years": 15}}]