Alright, let's work through 7983 times 3828 step by step
7983 × 3828 = 3828 × (7983)
+ 3828 × 3 yielding 11484
+ 3828 × 80 what gives us 306240
+ 3828 × 900 which equals 3445200
+ 3828 × 7000 resulting in 26796000

= 30558924
