Alright, let's work through 7808 times 3998 step by step
7808 × 3998 = 3998 × (7808)
+ 3998 × 8 producing 31984
+ 3998 × 00 that equals 0
+ 3998 × 800 that results in 3198400
+ 3998 × 7000 resulting in 27986000

= 31216384
