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

Ex Input:
Each chocolate bar in a box cost $ 4 . If a box had 11 bars total and Vanessa sold all but 7 bars , how much money would she have made ?

Ex Output:
16

Ex Input:
While shopping for music online , Isabel bought 6 country albums and 2 pop albums . Each album came with a lyric sheet and had 9 songs . How many songs did Isabel buy total ?

Ex Output:
72

Ex Input:
Jacqueline has 4 boxes of erasers . Each box holds 10 erasers and there are 9 boxes in a case . How many erasers does Jacqueline have ?

Ex Output:
40