Molly is baking for the Moms and Muffins event at her school. she will bake 4 batches of banana muffins. she needs 1-3/4 cups of bananas for each batch of muffins. PART A

Molly completed the mutiplication below and said she needed 8 cups of bananas for 4 batches of muffins. What is mollys error? Mutiplacation problem{4x 1-3/4=4x8/4=32/4=8}

PART B
what is the correct number of cups molly needs for 4 batches of muffins? explain your answer.