You would like to make a salad that consists of lettuce, tomato, cucumber, and radishes. You go to the supermarket intending to purchase one variety of each of these ingredients. You discover that there are eight varieties of lettuce, six varieties of tomatoes, four varieties of cucumbers, and three varieties of radishes for sale at the supermarket. How many different salads can you make? You can make I: different salads. (Type a whole number.)