Alright, let's work through 9951 times 1998 step by step
9951 × 1998 = 1998 × (9951)
+ 1998 × 1 resulting in 1998
+ 1998 × 50 that results in 99900
+ 1998 × 900 resulting in 1798200
+ 1998 × 9000 that is equal 17982000

= 19882098
