Task: Question Answering
Input (English): Problem: tom read a book containing 1000 pages by reading the same number of pages each day . if he would have finished the book 5 days earlier by reading 15 pages a day more , how many days did tom spend reading the book ? 
Options: a ) 20 , b ) 18 , c ) 16 , d ) 15 , e ) 15.39
Output (English): e