Alright, let's work through 1993 times 8859 step by step
1993 × 8859 = 8859 × (1993)
+ 8859 × 3 yielding 26577
+ 8859 × 90 which equals 797310
+ 8859 × 900 that equals 7973100
+ 8859 × 1000 that equals 8859000

= 17655987
