Definition: Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Input: Problem: a rectangular farm has to be fenced one long side, one short side and the diagonal. if the cost of fencing is rs. 14 per meter. the area of farm is 1200 m 2 and the short side is 30 m long. how much would the job cost ?
Options: a. 1276, b. 1680, c. 2832, d. 1299, e. 1236
Output:
b