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

Ex Input:
Problem: the guests at a football banquet consumed a total of 325 pounds of food . if no individual guest consumed more than 2 pounds of food , what is the minimum number of guests that could have attended the banquet ?

Ex Output:
163


Ex Input:
Problem: find the simple interest on rs . 70,000 at 16 2 / 3 % per year for 9 months .

Ex Output:
8750


Ex Input:
Problem: the length of the bridge , which a train 130 metres long and travelling at 54 km / hr can cross in 30 seconds , is :

Ex Output:

320 m