Alright, let's work through 84205030 times 57220135 step by step
84205030 × 57220135 = 57220135 × (84205030)
+ 57220135 × 0 that results in 0
+ 57220135 × 30 what gives us 1716604050
+ 57220135 × 000 producing 0
+ 57220135 × 5000 resulting in 286100675000
+ 57220135 × 00000 giving us 0
+ 57220135 × 200000 what gives us 11444027000000
+ 57220135 × 4000000 yielding 228880540000000
+ 57220135 × 80000000 yielding 4577610800000000

= 4818223184279050
