No problem, we've got 67808123 and 66067321 to multiply
67808123 × 66067321 = 66067321 × (67808123)
+ 66067321 × 3 producing 198201963
+ 66067321 × 20 producing 1321346420
+ 66067321 × 100 yielding 6606732100
+ 66067321 × 8000 yielding 528538568000
+ 66067321 × 00000 that results in 0
+ 66067321 × 800000 producing 52853856800000
+ 66067321 × 7000000 yielding 462471247000000
+ 66067321 × 60000000 that equals 3964039260000000

= 4479901028648483
