The task is to generate the correct answer for a given math problem.

Input: Consider Input: Problem: the radius of the wheel of a bus is 100 cms and the speed of the bus is 66 km / h , then the r . p . m . ( revolutions per minutes ) of the wheel is

Output: 175


Input: Consider Input: Problem: if each participant of a chess tournament plays exactly one game with each of the remaining participants , then 153 games will be played during the tournament . find the number of participants .

Output: 18


Input: Consider Input: Problem: if jack walked 8 miles in 1 hour and 15 minutes , what was his rate of walking in miles per hour ?


Output: 6.4