instruction:
In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
question:
Problem: a case contains c cartons . each carton contains b boxes , and each box contains 200 paper clips . how many paper clips are contained in 2 cases ? 
Options: a ) 200 bc , b ) 200 b / c , c ) 400 bc , d ) 400 b / c , e ) 400 / bc
answer:
c


question:
Problem: find the value of ( 55 + 113 / 78 ) × 78 
Options: a ) 4423 , b ) 4403 , c ) 4413 , d ) 2403 , e ) 4375
answer:
b


question:
Problem: if n is a natural number , then ( 6 n 2 + 6 n ) is always divisible by ? 
Options: a ) 6 only , b ) 6 and 12 both , c ) 12 only , d ) 6 or 12 only , e ) none
answer:

b