Task: Question Answering
Input (English): Suppose 2*w - 3*h + 5 = 2*h, -h = 4*w - 1. Suppose w = 3*j - 9, -z + 17 = 5*j + 2. Suppose -3*n + 62 - 23 = z. What is the greatest common divisor of n and 117?
Output (English): 13