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": "project_population", "description": "Projects the population size after a specified number of years.", "parameters": {"current_pop": {"description": "The current population size.", "type": "int", "default": 1.2}, "num_years": {"description": "The number of years into the future to make the projection.", "type": "int", "default": 1.2}, "annual_growth": {"description": "The annual population growth rate as a percentage. Defaults to 1.2.", "type": "float, optional"}}}]
What will be the population of a country in 50 years if the current population is 100 million and the annual growth rate is 2.5%?
user
assistant
[{"name": "project_population", "arguments": {"current_pop": 100000000, "num_years": 50, "annual_growth": 2.5}}]