No problem, we've got 6434 and 6635 to multiply
6434 × 6635 = 6635 × (6434)
+ 6635 × 4 resulting in 26540
+ 6635 × 30 that equals 199050
+ 6635 × 400 that results in 2654000
+ 6635 × 6000 producing 39810000

= 42689590
