You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Input: Consider Input: Isabel was selling her necklaces at a garage sale . She sold 3 bead necklaces and 3 gem stone necklaces . If each necklace cost 6 dollars , how much money did she earn ?

Output: 36


Input: Consider Input: A painter needed to paint 12 rooms in a building . Each room takes 3 hours to paint . If he already painted 4 rooms , how much longer will he take to paint the rest ?

Output: 24


Input: Consider Input: Bianca earned 5 points for each bag of cans she recycled . If she had 17 bags , but did n't recycle 8 of them , how many points would she have earned ?


Output: 45