Alright, let's work through 8783 times 1999 step by step
8783 × 1999 = 1999 × (8783)
+ 1999 × 3 yielding 5997
+ 1999 × 80 that equals 159920
+ 1999 × 700 giving us 1399300
+ 1999 × 8000 giving us 15992000

= 17557217
