No problem, we've got 89438342 and 38109322 to multiply
89438342 × 38109322 = 38109322 × (89438342)
+ 38109322 × 2 what gives us 76218644
+ 38109322 × 40 producing 1524372880
+ 38109322 × 300 what gives us 11432796600
+ 38109322 × 8000 giving us 304874576000
+ 38109322 × 30000 yielding 1143279660000
+ 38109322 × 400000 giving us 15243728800000
+ 38109322 × 9000000 which equals 342983898000000
+ 38109322 × 80000000 that equals 3048745760000000

= 3408434574424124
