What is the answer to the photo down below please don’t give me a guess

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

Write a story that matches with the expression 42x-5 pls hurry

Can someone answer this question for me