6x{6+6x[6⁴ - 6²+12]}+3x6²-4x12= 6·{6+6·[1296-36+12]}+3·36-48 =
= 6·{6+6·1272}+108-48 = 6·(6+7632)+60 = 6·7638+60= 45828+60 =
= 45888
