Task: Question Answering
Input (English): Problem: speed of a boat in standing water is 14 kmph and the speed of the stream is 1.2 kmph . a man rows to a place at a distance of 4864 km and comes back to the starting point . the total time taken by him is : 
Options: a ) 700 , b ) 200 , c ) 540 , d ) 120 , e ) 635
Output (English): a