{-111 + 2 × [42 : (63 - 56) + 63]} × 3 = .....

-111+2=109
109 × (42 : (63-56)
109 × (42 : 7)
109 × 6 + 63
654+63×3
717×3
=2.151

{-111 + 2 × [42 : (63 - 56) + 63]} × 3 = .....
{ -111 + 2 x [ 42 : 7 + 63 ]} x 3 =
{ -111 + 2 x 69 } x 3 =
{- 111 + 138} x 3 =
27 x 3 = 81