Vă rog, e urgent!!!!!!

Răspuns:
{[(13-8):5+(56-6):5+8]:19+5}×8-16×3=
{[5:5+50:5+8]:19+5}×8-48=
{[1+10+8]:19+5}×8-48=
{19:19+5}×8-48=
6×8-48=
56-48=8