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

Input: Consider Input: Problem: which number can we add to 425897 to get a number exactly divisible by 456 ?

Output: 7

Input: Consider 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 ?

Output: 163

Input: Consider Input: Problem: the average of 5 consecutive odd numbers is 55 . what is the difference between the highest and lowest numbers ?
Output: 8