Task: Question Answering
Input (English): Suppose -2*g + 3*w = 0, 4*w + 0*w = -4*g + 20. Let a(p) = 2*p + 1. Let m be a(g). Let b be (-764)/(-36) - 4/18. What is the highest common divisor of b and m?
Output (English): 7