the bakery department at ralphs wants to make 3 loaves of banana bread but the recipe only makes 1 loaf

Banana bread recipe -
1 loaf

1/2 cup butter
3/4 cup brown sugar
2 eggs
2 1/4 cups flour
1 teaspoon baking soda
1/4 teaspoon salt
3 ripe bananas

How much of each ingredient will the bakery department need in order to make 3 banana bread Loaves?