The menu at Tony's Ice Cream Parlor has ice cream flavors and toppings. The ice cream flavors are strawberry, chocolate, and vanilla. The toppings are whipped cream, hot fudge, and nuts. If you can order one ice cream flavor and one topping, how many possible combinations are there?
A. 7 combinations
B. 12 combinations
C. 9 combinations
D. 6 combinations