Alright, let's work through 3379 times 6451 step by step
3379 × 6451 = 6451 × (3379)
+ 6451 × 9 giving us 58059
+ 6451 × 70 that equals 451570
+ 6451 × 300 yielding 1935300
+ 6451 × 3000 resulting in 19353000

= 21797929
