原式=8*0.111*8*0.1+0.111*3.6=0.111（8*8*0.1+3.6）=0.111（6.4+3.6）=1.11
0.888×0.8＋0.111×3.6=0.111×8×0.8＋0.111×3.6=0.111×6.4＋0.111×3.6=0.111×（6.4＋3.6）=0.111×10=1.11
