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

chris tasked to lead the newspaper collection was able to obtain 42 newspapers from their neighborhood . if his sister lily helped him and was able to get 23 more newspapers from another block how many newspapers were they able to collect together ?
65

debby had 12 pounds of flour . if she bought another 4 pounds how many pounds would she have total ?
16

across the river he fell into a hole . to get out he needs to fill it with 823 gallons of water . if the hole initially has 676 gallons how much water does he need to fill it ?
147