No problem, we've got 3786 and 5122 to multiply
3786 × 5122 = 5122 × (3786)
+ 5122 × 6 what gives us 30732
+ 5122 × 80 that is equal 409760
+ 5122 × 700 yielding 3585400
+ 5122 × 3000 resulting in 15366000

= 19391892
