No problem, we've got 78874348 and 45657681 to multiply
78874348 × 45657681 = 45657681 × (78874348)
+ 45657681 × 8 what gives us 365261448
+ 45657681 × 40 yielding 1826307240
+ 45657681 × 300 that results in 13697304300
+ 45657681 × 4000 producing 182630724000
+ 45657681 × 70000 giving us 3196037670000
+ 45657681 × 800000 yielding 36526144800000
+ 45657681 × 8000000 that is equal 365261448000000
+ 45657681 × 70000000 that is equal 3196037670000000

= 3601219820066988
