John is ordering an ice cream sundae. There are 11 flavors of ice cream and 12 different toppings to choose from.
Which number sentence shows how to find the total number of combinations of 1 flavor of ice cream and 1 topping that Susan can choose?
A) 11 + 12 = 23
B) 11 × 12 = 132
C) 11 + 12 + 11 + 12 = 46
D) 11 × 12 × 11 × 12 = 17,424