Solution:
Number of Bread of a kind = 1
Number of Crunchy peanut Butter that Carl has =?=C
Different flavors of jelly possessed by Carl =?=Z
To find the number of possible combinations which includes one kind of bread ,the information we need→→ crunchy peanut butter(How many kinds of peanut butter possessed by Carl=C), and (Number of=Z) different flavors of jelly.
Total Combination= 1 ×C×Z=C×Z