def add_numbers(*args):
    total = 0
    for num in args:
        total += num
    return total

def subtract(a, b):
    return (a - b)

def multiple(a, b):
    return (a * b)

def division(a, b):
    return a / b

def remainder(a, b):
    return (a // b)

def power(a, b):
    return a ** b
