Task: Question Answering
Input (English): Problem: a man traveled a total distance of 1800 km . he traveled one - third of the whole trip by plane and the distance traveled by train is three - fifth of the distance traveled by bus . if he traveled by train , plane and bus , then find the distance traveled by bus ? 
Options: a ) 239 , b ) 247 , c ) 277 , d ) 270 , e ) 898
Output (English): d