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:
Lemon heads come in packages of 6 . Louis ate 54 Lemon Heads . How many whole boxes did he eat and how many Lemon Heads does he have left ?

Ex Output:
9


Ex Input:
A pet store has 6 bird cages . If each cage has 2 parrots and 7 parakeets in it , how many birds does the pet store have total ?

Ex Output:
54


Ex Input:
Each chocolate bar in a box cost $ 3 . If a box had 9 bars total and Wendy sold all but 3 bars , how much money would she have made ?

Ex Output:

18