No problem, we've got 6663 and 6893 to multiply
6663 × 6893 = 6893 × (6663)
+ 6893 × 3 what gives us 20679
+ 6893 × 60 producing 413580
+ 6893 × 600 that results in 4135800
+ 6893 × 6000 which equals 41358000

= 45928059
