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_median", "description": "Calculates the median of a list of numbers.", "parameters": {"numbers": {"description": "The list of numbers.", "type": "List[Union[int, float]]"}}}, {"name": "displacement", "description": "Calculates the displacement of an object given its initial velocity, acceleration, and time.", "parameters": {"initial_velocity": {"description": "The initial velocity of the object.", "type": "float"}, "acceleration": {"description": "The acceleration of the object.", "type": "float"}, "time": {"description": "The time elapsed.", "type": "float"}}}, {"name": "least_common_multiple", "description": "Computes the least common multiple (LCM) of two positive integers.", "parameters": {"a": {"description": "The first positive integer.", "type": "int"}, "b": {"description": "The second positive integer.", "type": "int"}}}, {"name": "permutation_count", "description": "Calculates the number of permutations of k elements from a set of n elements.", "parameters": {"n": {"description": "The total number of elements in the set.", "type": "int"}, "k": {"description": "The number of elements to choose for the permutation.", "type": "int"}}}]
Compute the displacement of an object with an initial velocity of 15 m/s, acceleration of 3 m/s² after 4 seconds. Also, find the least common multiple of 10 and 15.
user
assistant
[{"name": "displacement", "arguments": {"initial_velocity": 15, "acceleration": 3, "time": 4}}, {"name": "least_common_multiple", "arguments": {"a": 10, "b": 15}}]