Task: Question Answering
Input (English): Problem: a room is 8 meters 16 centimeters in length and 4 meters 32 centimeters in width . find the least number of square tiles of equal size required to cover the entire floor of the room . 
Options: a ) 107 , b ) 153 , c ) 178 , d ) 198 , e ) 165
Output (English): b