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: Jovana had 5 pounds of shells in her bucket . She added some shells and now has 28 pounds of shells . How many pounds did she add ?

SOLUTION: 23

PROBLEM: Mary had 18 baseball cards , and 8 were torn . Fred gave Mary 26 new baseball cards . Mary bought 40 baseball cards . How many baseball cards does Mary have now ?

SOLUTION: 84

PROBLEM: A tailor cut 0.75 inch off a skirt and 0.5 inch off a pair of pants . How much more did the tailor cut off the skirt than the pants ?

SOLUTION:
0.25