No problem, we've got 3869 and 7750 to multiply
3869 × 7750 = 7750 × (3869)
+ 7750 × 9 that is equal 69750
+ 7750 × 60 that equals 465000
+ 7750 × 800 yielding 6200000
+ 7750 × 3000 resulting in 23250000

= 29984750
