No problem, we've got 82109270 and 42127021 to multiply
82109270 × 42127021 = 42127021 × (82109270)
+ 42127021 × 0 what gives us 0
+ 42127021 × 70 that equals 2948891470
+ 42127021 × 200 what gives us 8425404200
+ 42127021 × 9000 giving us 379143189000
+ 42127021 × 00000 yielding 0
+ 42127021 × 100000 producing 4212702100000
+ 42127021 × 2000000 resulting in 84254042000000
+ 42127021 × 80000000 resulting in 3370161680000000

= 3459018941584670
