No problem, we've got 1997 and 3887 to multiply
1997 × 3887 = 3887 × (1997)
+ 3887 × 7 resulting in 27209
+ 3887 × 90 what gives us 349830
+ 3887 × 900 yielding 3498300
+ 3887 × 1000 that results in 3887000

= 7762339
