No problem, we've got 68787163 and 67802073 to multiply
68787163 × 67802073 = 67802073 × (68787163)
+ 67802073 × 3 yielding 203406219
+ 67802073 × 60 that is equal 4068124380
+ 67802073 × 100 what gives us 6780207300
+ 67802073 × 7000 producing 474614511000
+ 67802073 × 80000 that equals 5424165840000
+ 67802073 × 700000 which equals 47461451100000
+ 67802073 × 8000000 producing 542416584000000
+ 67802073 × 60000000 yielding 4068124380000000

= 4663912247188899
