Alright, let's work through 83846829 times 99656043 step by step
83846829 × 99656043 = 99656043 × (83846829)
+ 99656043 × 9 giving us 896904387
+ 99656043 × 20 which equals 1993120860
+ 99656043 × 800 producing 79724834400
+ 99656043 × 6000 producing 597936258000
+ 99656043 × 40000 resulting in 3986241720000
+ 99656043 × 800000 that equals 79724834400000
+ 99656043 × 3000000 yielding 298968129000000
+ 99656043 × 80000000 that equals 7972483440000000

= 8355843196237647
