No problem, we've got 4434 and 899 to multiply
4434 × 899 = 899 × (4434)
+ 899 × 4 what gives us 3596
+ 899 × 30 that equals 26970
+ 899 × 400 yielding 359600
+ 899 × 4000 yielding 3596000

= 3986166
