Task: Question Answering
Input (English): Problem: 4 / 15 of 5 / 7 of a number is greater than 4 / 9 of 2 / 5 of the same number by 24 . what is half of that number ? 
Options: a ) 670 , b ) 750 , c ) 945 , d ) 375 , e ) 315
Output (English): c