No problem, we've got 78501814 and 40103815 to multiply
78501814 × 40103815 = 40103815 × (78501814)
+ 40103815 × 4 which equals 160415260
+ 40103815 × 10 yielding 401038150
+ 40103815 × 800 producing 32083052000
+ 40103815 × 1000 producing 40103815000
+ 40103815 × 00000 that results in 0
+ 40103815 × 500000 what gives us 20051907500000
+ 40103815 × 8000000 what gives us 320830520000000
+ 40103815 × 70000000 producing 2807267050000000

= 3148222225820410
