A large box contains 21 small boxes and each small box contains 25 chocolate bars. How many chocolate bars are in the large box? Choose the correct option:
A) 250	B) 350	C) 450	D) 550	E) 525
The number of chocolate bars is equal to   21 * 25= 
<gadget id="calculator">21 * 25</gadget>
<output>525</output>
525   correct answer 525
<result>E</result>
A large box contains 21 small boxes and each small box contains 25 chocolate bars. How many chocolate bars are in the large box?