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": "calculate_card_game_probability", "description": "Calculate the probability of drawing a certain number of desired cards from a deck.", "parameters": {"total_cards": {"description": "Total number of cards in the deck.", "type": "int"}, "desired_cards": {"description": "Number of cards in the deck that satisfy the conditions.", "type": "int"}, "cards_drawn": {"description": "Number of cards drawn from the deck.", "type": "int"}}}, {"name": "compound_interest", "description": "Calculates the compound interest of an investment.", "parameters": {"principal": {"description": "The initial investment amount.", "type": "float", "default": 1}, "rate": {"description": "The annual interest rate expressed as a decimal.", "type": "float", "default": 1}, "time": {"description": "The time in years for which the investment is held.", "type": "float"}, "n": {"description": "The number of times interest is compounded per year. Defaults to 1.", "type": "int, optional"}}}, {"name": "sort_numbers", "description": "Sorts a list of numbers in ascending or descending order.", "parameters": {"numbers": {"description": "The list of numbers to be sorted.", "type": "List[float]"}, "descending": {"description": "If True, sorts the numbers in descending order. Defaults to False.", "type": "bool, optional"}}}, {"name": "matrix_multiply", "description": "Multiplies two matrices.", "parameters": {"matrix_a": {"description": "The first matrix.", "type": "List[List[float]]"}, "matrix_b": {"description": "The second matrix.", "type": "List[List[float]]"}}}]
What is the result of multiplying the matrices [[1, 2, 3], [4, 5, 6], [7, 8, 9]] and [[10, 11], [12, 13], [14, 15]]?
user
assistant
[{"name": "matrix_multiply", "arguments": {"matrix_a": [[1, 2, 3], [4, 5, 6], [7, 8, 9]], "matrix_b": [[10, 11], [12, 13], [14, 15]]}}]