instruction:
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.
question:
Carrie 's mom gave her $ 91 to go shopping . She bought a sweater for $ 24 , a T - shirt for $ 6 , and a pair of shoes for $ 11 . How much money does Carrie have left ?
answer:
50


question:
Norma has 88 cards . She loses 70 . How many cards will Norma have ?
answer:
18


question:
Shelby ’ s teacher gives out gold stars for great math work . Yesterday , Shelby earned 4 gold stars . Today , she earned 3 more . How many gold stars did Shelby earn in all ?
answer:

7