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.

Ex Input:
a florist needed to use 2 pounds of fertilizer for 9 days and then on the final day use the normal amount plus another 4 pounds . how many pounds of fertilizer will she use all together ?

Ex Output:
22

Ex Input:
mrs. hilt ran 3 miles on monday 2 miles on wednesday and 7 miles on friday . how many total miles did she run that week ?

Ex Output:
12

Ex Input:
carey and pat are moving chairs to the gym . they agreed to move 74 chairs . carey moved 28 chairs . pat has moved 29 chairs . how many more chairs do they have left to move ?

Ex Output:
17