The gym offers beginner sports classes to learn new sports and workout classes to do cardio exercises. Darnell wants to enroll in one sports class and one workout class for his weekends. The gym offers 11 different sports classes and 13 different workout classes.
How many different combinations of one sports class and one workout class can Darnell enroll in?
A: 132
B: 143
C: 24
D: 35