No problem, we've got 6665 and 6681 to multiply
6665 × 6681 = 6681 × (6665)
+ 6681 × 5 resulting in 33405
+ 6681 × 60 what gives us 400860
+ 6681 × 600 giving us 4008600
+ 6681 × 6000 yielding 40086000

= 44528865
