No problem, we've got 8126816 and 99338708 to multiply
8126816 × 99338708 = 99338708 × (8126816)
+ 99338708 × 6 yielding 596032248
+ 99338708 × 10 yielding 993387080
+ 99338708 × 800 that equals 79470966400
+ 99338708 × 6000 which equals 596032248000
+ 99338708 × 20000 producing 1986774160000
+ 99338708 × 100000 producing 9933870800000
+ 99338708 × 8000000 producing 794709664000000

= 807307401593728
