8 × 5 = 8 + 8 + 8 + 8 + 8 = 40
14 × 3 = 14 + 14 + 14 = 42
9 × 4 = 9 + 9 + 9 + 9 = 36
Ответ: 8 × 5 = 40; 14 × 3 = 42; 9 × 4 = 36