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]: Alec and his roommates ate 3.25 pints of ice cream on Friday night and 0.25 pint of ice cream on Saturday night . How many pints did they eat in all ?
[A]: 3.5


[Q]: Oscar 's bus ride to school is 0.75 mile and Charlie 's bus ride is 0.25 mile . How much longer is Oscar 's bus ride than Charlie 's ?
[A]: 0.5


[Q]: Bianca had 45 coloring books . If she gave away 6 of them , but then bought 20 more , how many would she have total ?
[A]:
59