10112 = 1 × 23 + 0 × 22 + 1 × 21 + 1 × 20 1 × 8 + 0 × 4 + 1 × 2 + 1 × 1 = 8 + 0 + 2 + 1 = 11 1224 = 1 × 42 + 2 × 41 + 2 × 40 1 × 16 + 2 × 4 + 2 × 1 = 16 + 8 + 2 = 26 11 + 26 = 37