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"}}}]
A biologist is studying a bacterial culture with an initial population of 4000 and a growth rate of 0.06 per minute. They want to know the population after 75 minutes. The doubling time of the bacteria is 20 minutes. Can you help with this calculation?
user
assistant
[{"name": "bacterial_growth", "arguments": {"initial_population": 4000, "growth_rate": 0.06, "time": 75, "doubling_time": 20}}]