A large box contains 20 small boxes and each small box contains 32 chocolate bars. How many chocolate bars are in the large box?  Select the correct option:
A) A)220
B) B)490
C) C)380
D) D)450
E) E)640
the only thing you have to do is a simple multiply   we have:   20*32= 
<gadget id="calculator">20*32</gadget>
<output>640</output>
640   correct answer is:   640) 640
<result>E</result>
A large box contains 20 small boxes and each small box contains 32 chocolate bars. How many chocolate bars are in the large box?