QUESTION: Math problem: Solve 56*k + 2252 = 2252 for k.
ANS: 0
QUESTION: Math problem: Solve -130*z = -120*z - 30 for z.
ANS: 3
QUESTION: Math problem: Solve 29*r - 1381680 + 1382347 = 0 for r.
ANS: -23
QUESTION: Math problem: Solve 8*s - 3 - 13 = 0 for s.
ANS:
2