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.

[EX Q]: Henry had 11 dollars . For his birthday he got 18 more dollars but spent 10 on a new game . How much money does he have now ?
[EX A]: 19

[EX Q]: Greg and Sharon own neighboring cornfields . Greg harvested 0.4 acre of corn on Monday and Sharon harvested 0.1 acre . How many more acres did Greg harvest than Sharon ?
[EX A]: 0.3

[EX Q]: Harold has 53 marbles . He gets 16 more from Steve . How many marbles does Harold have in all ?
[EX A]:
69