No problem, we've got 78262247 and 87374427 to multiply
78262247 × 87374427 = 87374427 × (78262247)
+ 87374427 × 7 which equals 611620989
+ 87374427 × 40 that is equal 3494977080
+ 87374427 × 200 what gives us 17474885400
+ 87374427 × 2000 producing 174748854000
+ 87374427 × 60000 what gives us 5242465620000
+ 87374427 × 200000 yielding 17474885400000
+ 87374427 × 8000000 that results in 698995416000000
+ 87374427 × 70000000 giving us 6116209890000000

= 6838118987357469
