Alright, let's work through 84205420 times 58093400 step by step
84205420 × 58093400 = 58093400 × (84205420)
+ 58093400 × 0 yielding 0
+ 58093400 × 20 which equals 1161868000
+ 58093400 × 400 yielding 23237360000
+ 58093400 × 5000 resulting in 290467000000
+ 58093400 × 00000 what gives us 0
+ 58093400 × 200000 giving us 11618680000000
+ 58093400 × 4000000 that results in 232373600000000
+ 58093400 × 80000000 that equals 4647472000000000

= 4891779146228000
