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:
Mary ’ s car gets 20 miles per gallon of gas . How far can she drive on 14 gallons of gas ?

Ex Output:
280


Ex Input:
One pencil weighs 28.3 grams . How much do 5 pencils weigh ?

Ex Output:
141.5


Ex Input:
Mrs. Hilt is baking bread . She needs 5 cups of flour to bake 2 loaves of bread . How much flour will she need to make one loaf of bread ?

Ex Output:

2.5