TASK DEFINITION: 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.
PROBLEM: While on vacation , Nancy took 49 pictures at the zoo and 8 at the museum . If she later deleted 38 of the pictures , how many pictures from her vacation did she still have ?

SOLUTION: 19

PROBLEM: Jason has 43 blue and 16 red marbles . Tom has 24 blue marbles . How many blue marbles do they have in all ?

SOLUTION: 67

PROBLEM: A florist had 6 roses . If she sold 5 of them and then later picked 12 more , how many roses would she have ?

SOLUTION:
13