Gretchen and her friend Hayley brought three bags of apples and three Bunches of bananas from the fruit vendor. Gretchen and Haley wants to find the total of pieces of fruit that they bought. Gretchen thinks she should multiple 3 by the number of apples in each bag, x, and add it to 3 times the number of bananas in each bunch, y, to find the total of number of pieces of fruit. Hayley thinks Gretchen should add the number of apples in each bag, x, to the number of bananas in each bunch, y, and then multiple that sum by 3. A: Write an expression based on Hayleys method to find the total numbers of pieces of fruit.​