Task: Question Answering
Input (English): Problem: after 10 % of the inhabitants of a village disappeared , a panic set in during which 25 % of the remaining inhabitants left the village . at that time , the population was reduced to 5130 . what was the number of original inhabitants ? 
Options: a ) 7300 , b ) 7600 , c ) 7900 , d ) 8200 , e ) 8500
Output (English): b