No problem, we've got 5448 and 3991 to multiply
5448 × 3991 = 3991 × (5448)
+ 3991 × 8 that is equal 31928
+ 3991 × 40 that is equal 159640
+ 3991 × 400 that results in 1596400
+ 3991 × 5000 that results in 19955000

= 21742968
