
def add(a: int, b: int) -> int:
    """
    Add two numbers together and return the result.
    parameters:
    - a (int): The first number
    - b (int): The second number
    returns:
    - int: The sum of a and b
    """
    return a + b

def sub(a: int, b: int) -> int:
    """
    Subtract the second number from the first and return the result.
    parameters:
    - a (int): The first number
    - b (int): The second number
    returns:
    - int: The result of subtracting b from a
    """
    return a - b

def mul(a: int, b: int) -> int:
    """
    Multiply two numbers together and return the result.
    parameters:
    - a (int): The first number
    - b (int): The second number
    returns:
    - int: The product of a and b
    """
    return a * b

def div(a: int, b: int) -> int:
    """
    Divide the first number by the second and return the result.
    parameters:
    - a (int): The first number
    - b (int): The second number
    returns:
    - int: The result of dividing a by b
    """
    return a // b