user: I'm working on a combinatorics problem and I've hit a step where I need to calculate the factorial of 7. Can you help me get that result?

Available functions:
name: math_factorial
description: Calculates the factorial of a number.
parameters: type: dict
properties: n: type: integer
description: The number to calculate the factorial of.
required: n

Ground truth function call(s):
math_factorial(n=7)