Task: Question Answering
Input (English): Let q = 11 + -7. Let o(n) = -n**3 + 11*n**2 + 12*n + 3. Let v be o(12). Let w(f) = -f**2 + 6*f - 4. Let i be w(4). Solve -v*l = -i*l + q for l.
Output (English): 4