class MathOperations:
    @staticmethod
    def add(x, y):
        '''Adds two numbers and returns the sum.'''
        return x + y

    @staticmethod
    def multiply(x, y):
        '''Multiplies two numbers and returns the product.'''
        return x * y
# Calling static methods directly on the class
sum_result = MathOperations.add(10, 5)
product_result = MathOperations.multiply(7, 3)

print(f'Sum: {sum_result}')
print(f'Product: {product_result}')