No problem, we've got 78874118 and 78019327 to multiply
78874118 × 78019327 = 78019327 × (78874118)
+ 78019327 × 8 giving us 624154616
+ 78019327 × 10 producing 780193270
+ 78019327 × 100 that is equal 7801932700
+ 78019327 × 4000 giving us 312077308000
+ 78019327 × 70000 what gives us 5461352890000
+ 78019327 × 800000 yielding 62415461600000
+ 78019327 × 8000000 that is equal 624154616000000
+ 78019327 × 70000000 that is equal 5461352890000000

= 6153705604078586
