Task: Question Answering
Input (English): Problem: the number of students in each section of a school is 24 . after admitting new students , 3 new sections were started . now , the total number of sections is 16 and there are 21 students in each section . the number of new students admitted is : 
Options: a ) 12 , b ) 42 , c ) 24 , d ) 28 , e ) 26
Output (English): c