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": "bacterial_growth", "description": "Calculates the bacterial population after a given time based on the initial population and growth rate.", "parameters": {"initial_population": {"description": "The initial bacterial population.", "type": "int", "default": 20}, "growth_rate": {"description": "The growth rate per unit time.", "type": "float", "default": 20}, "time": {"description": "The time elapsed.", "type": "float"}, "doubling_time": {"description": "The doubling time of the bacteria in minutes. Defaults to 20.", "type": "float, optional"}}}]
What is the population of bacteria after 6 hours, given an initial population of 1500, a growth rate of 0.4 per hour, and a doubling time of 25 minutes?
user
assistant
[{"name": "bacterial_growth", "arguments": {"initial_population": 1500, "growth_rate": 0.4, "time": 6, "doubling_time": 25}}]