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": "find_equilibrium_index", "description": "Finds the equilibrium index of a list, where the sum of elements on the left is equal to the sum of elements on the right.", "parameters": {"arr": {"description": "The input list of integers.", "type": "List[int]"}}}, {"name": "find_n_largest_numbers", "description": "Finds the n largest numbers in a list.", "parameters": {"nums": {"description": "The list of numbers.", "type": "List[int]"}, "n": {"description": "The number of largest numbers to find.", "type": "int"}}}, {"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"}}}]
What is the least common multiple of 7 and 49?
user
assistant
[{"name": "least_common_multiple", "arguments": {"a": 7, "b": 49}}]