### Instruction: Roberto has four pairs of trousers, seven shirts, and three jackets. How many different outfits can he put together if an outfit consists of a pair of trousers, a shirt, and a jacket?### Response: To find the total number of outfits, I need to multiply the number of choices for each item of clothing.
For trousers, I have four choices.
For shirts, I have seven choices.
For jackets, I have three choices.