Alright, let's work through 84052451 times 79412828 step by step
84052451 × 79412828 = 79412828 × (84052451)
+ 79412828 × 1 resulting in 79412828
+ 79412828 × 50 producing 3970641400
+ 79412828 × 400 yielding 31765131200
+ 79412828 × 2000 resulting in 158825656000
+ 79412828 × 50000 which equals 3970641400000
+ 79412828 × 000000 giving us 0
+ 79412828 × 4000000 yielding 317651312000000
+ 79412828 × 80000000 producing 6353026240000000

= 6674842834241428
