Alright, let's work through 84920201 times 83991232 step by step
84920201 × 83991232 = 83991232 × (84920201)
+ 83991232 × 1 giving us 83991232
+ 83991232 × 00 resulting in 0
+ 83991232 × 200 producing 16798246400
+ 83991232 × 0000 producing 0
+ 83991232 × 20000 which equals 1679824640000
+ 83991232 × 900000 producing 75592108800000
+ 83991232 × 4000000 that equals 335964928000000
+ 83991232 × 80000000 that is equal 6719298560000000

= 7132552303677632
