Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.

isabel had 68 pieces of candy . her friend gave her 25 more pieces . how many pieces of candy did isabel have total ?
93

henry already had 5 dollars but earned another 2 dollars doing chores . his friend had 13 dollars . if they put their money together how much would they have ?
20

at the top of the empire state building he saw the madison square garden so he decided to go there as well . it took him 676 steps to get down the building and 315 steps from the building to madison square garden . how many steps did he take to get to madison square ?
991