346*77+34.6*460+3460*2.7=346*77+34.6*10*46+346*10*2.7=346*77+346*46+346*27=346*(77+46+27)=346*150=51900
346×77+ 34.6×460 +3460×2.7=346×77+ 346×46 +346×27=346x(77+46+27)=346x150=346x5x30 =1730x30=51900