Alright, let's work through 99337849 times 81346563 step by step
99337849 × 81346563 = 81346563 × (99337849)
+ 81346563 × 9 giving us 732119067
+ 81346563 × 40 producing 3253862520
+ 81346563 × 800 which equals 65077250400
+ 81346563 × 7000 that equals 569425941000
+ 81346563 × 30000 that results in 2440396890000
+ 81346563 × 300000 what gives us 24403968900000
+ 81346563 × 9000000 producing 732119067000000
+ 81346563 × 90000000 giving us 7321190670000000

= 8080792591962987
