Task: Question Answering
Input (English): Problem: a rainstorm increased the amount of water stored in state j reservoirs from 160 billion gallons to 200 billion gallons . if the storm increased the amount of water in the reservoirs to 40 percent of total capacity , approximately how many billion gallons of water were the reservoirs short of total capacity prior to the storm ? 
Options: a ) 260 , b ) 280 , c ) 325 , d ) 340 , e ) 355
Output (English): d