541*56+65 654*87+65 451*87+95 547*89+12 456*87+12 654*89+16 65*45+12 45*89+12 45*87+95 45*45+89 78*56+2 456+21*89 (456+98)*5 789/45+(89+560)
541*56+65 654*87+65 451*87+95 547*89+12 456*87+12 654*89+16 65*45+12 45*89+12 45*87+95 45*45+89 78*56+2 456+21*89 (456+98)*5 789/45+(89+560)