No problem, we've got 6629 and 6407 to multiply
6629 × 6407 = 6407 × (6629)
+ 6407 × 9 resulting in 57663
+ 6407 × 20 that is equal 128140
+ 6407 × 600 that is equal 3844200
+ 6407 × 6000 that equals 38442000

= 42472003
