Definition: 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.
Input: at the edge of the forest an anthill is blocking the way out . in order to pass through he needs to help the ants gather food . if the ants need 911 grains of food and they already have 762 how many more grains are needed to be gathered ?
Output:
149