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.

Example Input: There were 44 boys and 53 girls on the playground at recess . How many children were on the playground in all ?
Example Output: 97

Example Input: Jason picked 46 pears , Keith picked 47 pears , and Mike picked 12 pears from the pear tree . How many pears were picked in total ?
Example Output: 105

Example Input: There are 46 rulers in the drawer . Tim took 25 rulers from the drawer . How many rulers are now in the drawer ?
Example Output:
21