No problem, we've got 5421 and 4445 to multiply
5421 × 4445 = 4445 × (5421)
+ 4445 × 1 yielding 4445
+ 4445 × 20 what gives us 88900
+ 4445 × 400 resulting in 1778000
+ 4445 × 5000 which equals 22225000

= 24096345
