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_next_greater_element", "description": "Finds the next greater element for each element in a list.", "parameters": {"nums": {"description": "The list of numbers.", "type": "List[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"}}}, {"name": "greatest_common_divisor", "description": "Computes the greatest common divisor (GCD) of two non-negative integers.", "parameters": {"a": {"description": "The first non-negative integer.", "type": "int"}, "b": {"description": "The second non-negative integer.", "type": "int"}}}]
What is the GCD of 144 and 234 and also find the next greater element for each number in the list [10, 20, 30, 40]?
user
assistant
[{"name": "greatest_common_divisor", "arguments": {"a": 144, "b": 234}}, {"name": "find_next_greater_element", "arguments": {"nums": [10, 20, 30, 40]}}]