4.8×1.2×2.7=4.8x1x2.7+4.8x0.2x2.7=4.8x3-4.8x0.3+0.96x2.7=14.4-1.44+1x2.7-0.04x2.7=14.4+1.26-0.108=14.4+1.152=15.552
