Matrix Multiplication Question

Matrix Shampoo Matrix Shampoo and Conditioner Matrix Shampoo for Curly Hair Biolage Shampoo and Conditioner Matrix Hair Oil Biolage Hair Products Matrix Hair Spray Matrix Shampoo for Hair Fall Matrix Dry Shampoo Matrix Shampoo for Color Treated Hair Matrix Hair Treatment Matrix Shampoo for Grey Hair Matrix Hair Care Products Matrix Hair Mask Matrix Blue Shampoo Matrix Shampoo for White Hair Matrix Clarifying Shampoo Matrix so Silver Shampoo Matrix Hair Gel Opticare Matrix Matrix Biolage Logo Matrix Shampoo Ingredients Matrix Shampoo for Colored Hair Matrix Hair Essentials Matrix Amplify Shampoo Matrix Pink Shampoo Matrix Sleek Shampoo Matrix Shampoo Company Matrix Orange Shampoo Matrix Shampoo Hair Loss Matrix Purple Shampoo Biolage Shampoo Dandruff Matrix Shampoo for Fine Hair Matrix Hair Straightening Shampoo Matrix Gallon Conditioner Salon Hair Care Products Shampoo Matrix for Dry and Damaged Hair Matrix L'Oreal Shampoo Matrine Oil Shampoo Hair Straight Hair Shampoo Matrix for Frizzy Hair Matrix Hair Products Cleansing Shampoo Matrix Colour Shampoo for Grey Hair Matrix Full Rescue Shampoo for Thin Hair Matrix Shine Shampoo Biolage Hydrating Shampoo Biolage Volume Shampoo Shampoo Martix Matrix Dry Shampoo for Blonde Hair Matrix for Oily Hair