Alright, let's work through 3748 times 7990 step by step
3748 × 7990 = 7990 × (3748)
+ 7990 × 8 resulting in 63920
+ 7990 × 40 what gives us 319600
+ 7990 × 700 yielding 5593000
+ 7990 × 3000 what gives us 23970000

= 29946520
