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

Ex Input:
Problem: if log 2 = 0.3010 and log 3 = 0.4771 then the value of log 4.5 is :

Ex Output:
0.6532


Ex Input:
Problem: tim came second in math . when his mother asked him how much he had scored , he answered that he got the sum of the first 12 even numbers . his mother immediately worked out the answer . how much had he scored in math ?

Ex Output:
156


Ex Input:
Problem: what is the measure of the angle q made by the diagonals of the any adjacent sides of a cube .

Ex Output:

60