The recipe for six servings of Martha’s Triple Chocolate Smoothie calls for 4 dashes of cinnamon, 1.5 liters of vanilla ice cream, 2 liters of chocolate ice cream, 0.5 liter of chocolate milk, and 1 bag of chocolate chips. Martha is planning an ice cream social for 12 people and wants to make Triple Chocolate Smoothies. How much chocolate ice cream does she need for 12 servings if her chocolate ice cream is totally gone