Alright, let's work through 66734960 times 84290872 step by step
66734960 × 84290872 = 84290872 × (66734960)
+ 84290872 × 0 that results in 0
+ 84290872 × 60 resulting in 5057452320
+ 84290872 × 900 producing 75861784800
+ 84290872 × 4000 giving us 337163488000
+ 84290872 × 30000 which equals 2528726160000
+ 84290872 × 700000 producing 59003610400000
+ 84290872 × 6000000 resulting in 505745232000000
+ 84290872 × 60000000 producing 5057452320000000

= 5625147971285120
