We're going to solve 1989 multiplied by 9649
1989 × 9649 = 9649 × (1989)
+ 9649 × 9 that equals 86841
+ 9649 × 80 giving us 771920
+ 9649 × 900 that equals 8684100
+ 9649 × 1000 yielding 9649000

= 19191861
