A = (-8).25.(-2).4.(-5).125
=> A = [(-8).125].(25.4).[(-2).(-5)]
=> A = -1000.100.10
=> A = -1000000
A=(-8).25.(-2).4.(-5).125
A=(-8).125.25.4.(-2).(-5)
A=(-1000).100.10
A=-1000000
B=19.25+9.95+19.30
B=19.25+9.5.19+19.30
B=19(25+9.5+30)
B=19(25+45+30)
B=19.100
B=1900