Task: Question Answering
Input (English): Problem: joe needs to paint all the airplane hangars at the airport , so he buys 360 gallons of paint to do the job . during the first week , he uses 1 / 9 of all the paint . during the second week , he uses 1 / 5 of the remaining paint . how many gallons of paint has joe used ? 
Options: a ) 18 , b ) 144 , c ) 104 , d ) 216 , e ) 250
Output (English): c