Alright, let's work through 80862837 times 98427308 step by step
80862837 × 98427308 = 98427308 × (80862837)
+ 98427308 × 7 which equals 688991156
+ 98427308 × 30 that results in 2952819240
+ 98427308 × 800 producing 78741846400
+ 98427308 × 2000 which equals 196854616000
+ 98427308 × 60000 that is equal 5905638480000
+ 98427308 × 800000 that equals 78741846400000
+ 98427308 × 0000000 that equals 0
+ 98427308 × 80000000 resulting in 7874184640000000

= 7959111363152796
