No problem, we've got 4473 and 3638 to multiply
4473 × 3638 = 3638 × (4473)
+ 3638 × 3 resulting in 10914
+ 3638 × 70 yielding 254660
+ 3638 × 400 what gives us 1455200
+ 3638 × 4000 producing 14552000

= 16272774
