A diner is having lunch at a salad bar. There are four types of lettuce to choose from, as well as four types of tomatoes, and five types of olives. If the diner picks one type of lettuce, one type of tomato, and one type of olive for the salad, how many total options does the diner have for the salad? Choose the correct choice from the following answers:
A) 20
B) 40
C) 60
D) 80
E) 100
4*4*5= 
<gadget id="calculator">4*4*5</gadget>
<output>80</output>
80   The answer is 80.
<result>D</result>
A diner is having lunch at a salad bar. There are four types of lettuce to choose from, as well as four types of tomatoes, and five types of olives. If the diner picks one type of lettuce, one type of tomato, and one type of olive for the salad, how many total options does the diner have for the salad?