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.

[EX Q]: Bridget has 4 Skittles . Henry has 4 Skittles . If Henry gives all of his Skittles to Bridget , how many Skittles will Bridget have ?
[EX A]: 8

[EX Q]: Joan joined her school 's band . She bought a trumpet for $ 149.16 , a music tool for $ 9.98 , and a song book which was $ 4.14 . Joan found $ 8.65 in her pocket . How much did Joan spend at the music store ?
[EX A]: 163.28

[EX Q]: Faye was selling her necklaces at a garage sale . She sold 3 bead necklaces and 7 gem stone necklaces . If each necklace cost 7 dollars , how much money did she earn ?
[EX A]:
70