Alright, let's work through 1998 times 9946 step by step
1998 × 9946 = 9946 × (1998)
+ 9946 × 8 resulting in 79568
+ 9946 × 90 yielding 895140
+ 9946 × 900 that is equal 8951400
+ 9946 × 1000 which equals 9946000

= 19872108
