Task: Question Answering
Input (English): Problem: jhon works for 60 days . for the day he is present he is paid 7.00 / - and for the day he is absent he is paid 3.00 / - per day . if he is paid 170 / - . how many days he is present . 
Options: a ) 35 , b ) 36 , c ) 37 , d ) 38 , e ) 39
Output (English): a