Alright, let's work through 80241238 times 79138223 step by step
80241238 × 79138223 = 79138223 × (80241238)
+ 79138223 × 8 producing 633105784
+ 79138223 × 30 producing 2374146690
+ 79138223 × 200 producing 15827644600
+ 79138223 × 1000 giving us 79138223000
+ 79138223 × 40000 that equals 3165528920000
+ 79138223 × 200000 that results in 15827644600000
+ 79138223 × 0000000 what gives us 0
+ 79138223 × 80000000 producing 6331057840000000

= 6350148986640074
