No problem, we've got 4028 and 6451 to multiply
4028 × 6451 = 6451 × (4028)
+ 6451 × 8 giving us 51608
+ 6451 × 20 what gives us 129020
+ 6451 × 000 that results in 0
+ 6451 × 4000 yielding 25804000

= 25984628
