You are given a math word problem and you are supposed to apply a single mathematical operator 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:
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 1 loaf of bread ?

Ex Output:
2.5

Ex Input:
a group was sitting at a lunch table . after finishing 6 people left and there were 5 left at the table . how many people were at the table to start with ?

Ex Output:
11

Ex Input:
if he spent a total of $ 700 and all the gifts cost a total of $ 561 how much money did he spend on giftwrapping and other expenses ?

Ex Output:
139