The product is the result or answer that you get when you perform the multiplication of two or more numbers.
factor x factor = product
factor x factor x ... x factor = product
In 8 x 2 = 16, 16 is the product
In 1.5 x 10 = 15, 15 is the product
In 2 x 25 = 50, 50 is the product
In y x y = y2, y2 is the product
In (x + 1) x (x + 1) = x2 + 2x + 1, x2 + 2x + 1 is the product
In 5(x + 3) = 5x + 15, 5x + 15 is the product