Alright, let's work through 3928 times 797 step by step
3928 × 797 = 797 × (3928)
+ 797 × 8 that results in 6376
+ 797 × 20 that results in 15940
+ 797 × 900 yielding 717300
+ 797 × 3000 that results in 2391000

= 3130616
