Alright, let's work through 84890984 times 59323596 step by step
84890984 × 59323596 = 59323596 × (84890984)
+ 59323596 × 4 what gives us 237294384
+ 59323596 × 80 resulting in 4745887680
+ 59323596 × 900 producing 53391236400
+ 59323596 × 0000 which equals 0
+ 59323596 × 90000 that is equal 5339123640000
+ 59323596 × 800000 that equals 47458876800000
+ 59323596 × 4000000 that results in 237294384000000
+ 59323596 × 80000000 giving us 4745887680000000

= 5036038438858464
