Alright, let's work through 84485612 times 54786768 step by step
84485612 × 54786768 = 54786768 × (84485612)
+ 54786768 × 2 that equals 109573536
+ 54786768 × 10 that is equal 547867680
+ 54786768 × 600 yielding 32872060800
+ 54786768 × 5000 resulting in 273933840000
+ 54786768 × 80000 that equals 4382941440000
+ 54786768 × 400000 that results in 21914707200000
+ 54786768 × 4000000 giving us 219147072000000
+ 54786768 × 80000000 producing 4382941440000000

= 4628693623982016
