Alright, let's work through 80538241 times 79122698 step by step
80538241 × 79122698 = 79122698 × (80538241)
+ 79122698 × 1 that equals 79122698
+ 79122698 × 40 which equals 3164907920
+ 79122698 × 200 resulting in 15824539600
+ 79122698 × 8000 resulting in 632981584000
+ 79122698 × 30000 producing 2373680940000
+ 79122698 × 500000 that results in 39561349000000
+ 79122698 × 0000000 producing 0
+ 79122698 × 80000000 giving us 6329815840000000

= 6372402920094218
