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.

Ex Input:
Henry earned 5 dollars for each lawn he mowed . If he had 12 lawns to mow , but forgot to mow 7 of them , how much money did he actually earn ?

Ex Output:
25

Ex Input:
If Bob can make 100 feet of rope in 2 hours and Tim can make 75 feet of rope in 2 hours , how many feet of rope can Bob and Tim working together make in 4 hours ?

Ex Output:
350

Ex Input:
April 's discount flowers was having a sale where each flower was 3 dollars . If Emily bought 2 roses and 2 daisies , how much did she spend ?

Ex Output:
12