Given the task definition and input, reply with output. 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.

there are 3 more sections that are undeveloped . each of the remaining sections has a land area of 2435 square feet . what is the total area of the undeveloped land ?

7305