Task: Question Answering
Input (English): Problem: the length of the rectangular field is double its width. inside the field there is square shaped pond 9 m long. if the area of the pond is 1 / 8 of the area of the field. what is the length of the field ?
Options: a. 54, b. 36, c. 75, d. 28, e. 11
Output (English): b