No problem, we've got 2863 and 3967 to multiply
2863 × 3967 = 3967 × (2863)
+ 3967 × 3 producing 11901
+ 3967 × 60 yielding 238020
+ 3967 × 800 what gives us 3173600
+ 3967 × 2000 resulting in 7934000

= 11357521
