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

[Q]: 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 ?
[A]: 0.625


[Q]: A restaurant served 4 pies during lunch and 9 during dinner today . The restaurant served 7 pies and 2 pizzas yesterday . How many pies were served in total ?
[A]: 20


[Q]: Shawn has 13 blocks . Mildred has with 2 blocks . Mildred finds another 84 . How many blocks does Mildred end with ?
[A]:
86