(-5) * (6) * (-8) * (1)(−5)⋅(6)⋅(−8)⋅(1)
=> -5 * 6 * -8 * 1, color(red)("Removing braces"⇒−5⋅6⋅−8⋅1,Removing braces
=> -30 * -8 * 1, color(red)("Multiplication"⇒−30⋅−8⋅1,Multiplication#
=> +240 * 1, color(red)("Multiplication"⇒+240⋅1,Multiplication
color(blue)(=> 240⇒240