No problem, we've got 6423 and 2459 to multiply
6423 × 2459 = 2459 × (6423)
+ 2459 × 3 that equals 7377
+ 2459 × 20 that equals 49180
+ 2459 × 400 giving us 983600
+ 2459 × 6000 what gives us 14754000

= 15794157
