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.

Fred loves trading cards . He bought 2 packs of football cards for $ 2.73 each , a pack of Pokemon cards for $ 4.01 , and a deck of baseball cards for $ 8.95 . How much did Fred spend on cards ?
18.42

Melanie is selling 4 gumballs for eight cents each . How much money can Melanie get from selling the gumballs ?
32

There are 397 butterflies . Each butterfly has 12 black dots and 17 yellow dots . How many black dots are there in all ?

4764