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: Sam grew 4 watermelons , but the rabbits ate 3 watermelons . How many watermelons does Sam have left ?

SOLUTION: 1

PROBLEM: Tom has 30 violet balloons , he gave Fred 16 of the balloons . How many violet balloons does he now have ?

SOLUTION: 14

PROBLEM: Mildred collects 77 oranges . Mildred 's father gives Mildred 2 more . How many oranges does Mildred have ?

SOLUTION:
79