Task: Question Answering
Input (English): Problem: a fellow borrowed a certain sum of money at 3 % per annum at simple interest and in 3 years the interest amounted to rs . 1820 less than the sum lent . what was the sum lent ? 
Options: a ) 1050 , b ) 1220 , c ) 1250 , d ) 2000 , e ) 1110
Output (English): d