Let's calculate 3998 x 5118
3998 × 5118 = 5118 × (3998)
+ 5118 × 8 producing 40944
+ 5118 × 90 that results in 460620
+ 5118 × 900 resulting in 4606200
+ 5118 × 3000 resulting in 15354000

= 20461764
