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]: Brad has 17 balloons . 8 balloons are red and the rest are green . How many green balloons does Brad have ?
[A]: 9


[Q]: Robin had 18 pieces of gum . Her brother gave her some more pieces . Now Robin has 44 pieces in all . How many pieces of gum did Robin 's brother give her ?
[A]:
26