No problem, we've got 7942 and 2663 to multiply
7942 × 2663 = 2663 × (7942)
+ 2663 × 2 that is equal 5326
+ 2663 × 40 giving us 106520
+ 2663 × 900 producing 2396700
+ 2663 × 7000 which equals 18641000

= 21149546
