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": "density", "description": "Calculates the density of an object given its mass and volume.", "parameters": {"mass": {"description": "The mass of the object.", "type": "float"}, "volume": {"description": "The volume of the object.", "type": "float"}}}]
A rock has a mass of 3.6 kg and a volume of 1.2 cubic decimeters. What is its density?
user
assistant
[{"name": "density", "arguments": {"mass": 3.6, "volume": 1.2}}]