No problem, we've got 2663 and 7642 to multiply
2663 × 7642 = 7642 × (2663)
+ 7642 × 3 yielding 22926
+ 7642 × 60 that is equal 458520
+ 7642 × 600 that equals 4585200
+ 7642 × 2000 yielding 15284000

= 20350646
