No problem, we've got 3988 and 3215 to multiply
3988 × 3215 = 3215 × (3988)
+ 3215 × 8 producing 25720
+ 3215 × 80 resulting in 257200
+ 3215 × 900 yielding 2893500
+ 3215 × 3000 that is equal 9645000

= 12821420
