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 Input:
While shopping for music online , Megan bought 2 country albums and 8 pop albums . Each album came with a lyric sheet and had 7 songs . How many songs did Megan buy total ?

Ex Output:
70


Ex Input:
Jazmin had 1209 dolls and Geraldine had 2186 dolls . If they put their dolls together , how many would they have ?

Ex Output:
3395


Ex Input:
In fourth grade there were 33 students at the start of the year . During the year 18 students left and 14 new students came to school . How many students were in fourth grade at the end ?

Ex Output:

29