Alright, let's work through 84713168 times 67364912 step by step
84713168 × 67364912 = 67364912 × (84713168)
+ 67364912 × 8 giving us 538919296
+ 67364912 × 60 which equals 4041894720
+ 67364912 × 100 yielding 6736491200
+ 67364912 × 3000 which equals 202094736000
+ 67364912 × 10000 what gives us 673649120000
+ 67364912 × 700000 that is equal 47155438400000
+ 67364912 × 4000000 yielding 269459648000000
+ 67364912 × 80000000 what gives us 5389192960000000

= 5706695107561216
