No problem, we've got 3961 and 5526 to multiply
3961 × 5526 = 5526 × (3961)
+ 5526 × 1 which equals 5526
+ 5526 × 60 that equals 331560
+ 5526 × 900 yielding 4973400
+ 5526 × 3000 that is equal 16578000

= 21888486
