= (25.4).[(-2). (-5)].125-(19+9).25+19.30
=100.10.125-28.25+19.30
=125000-28.5.5+19.5.6
=125000-5.(140+95)
=125000-5.235
=125000-1175
=123825
a, A = 25.(-2).4.(-5).125 - 19.25 + 9.25 + 19.30
= 125000 - 475 + 225 + 570
= 125320
@Nam Joo Hyuk