You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

Ex Input:
A restaurant served 7 slices of pie during lunch and 5 during dinner today . It served 8 of them yesterday . How many slices of pie were served today ?

Ex Output:
12


Ex Input:
0.5 the students in the band are in the trumpet section . 0.125 the students in the band are in the trombone section . What fraction of the students in the band are in either the trumpet section or the trombone section ?

Ex Output:
0.625


Ex Input:
Joan had 695 Pokemon cards , and 6 were torn . Sara bought 133 of Joan 's Pokemon cards . How many Pokemon cards does Joan have now ?

Ex Output:

562