A certain restaurant offers 6 different salads, 4 different main courses, and 7 different desserts. If customers choose one salad, one main course, and two different desserts for their meal, how many different meals are possible? Choose the most appropriate option.
A) 260	B) 388	C) 436	D) 504	E) 520
The number of possible choices for desserts is 7C2 = 21   The number of possible meals is   6*4*21= 
<gadget id="calculator">  6*4*21</gadget>
<output>504</output>
504   The answer is 504.
<result>D</result>
A certain restaurant offers 6 different salads, 4 different main courses, and 7 different desserts. If customers choose one salad, one main course, and two different desserts for their meal, how many different meals are possible?