Alright, let's work through 79228513 times 40404731 step by step
79228513 × 40404731 = 40404731 × (79228513)
+ 40404731 × 3 which equals 121214193
+ 40404731 × 10 resulting in 404047310
+ 40404731 × 500 producing 20202365500
+ 40404731 × 8000 yielding 323237848000
+ 40404731 × 20000 resulting in 808094620000
+ 40404731 × 200000 which equals 8080946200000
+ 40404731 × 9000000 resulting in 363642579000000
+ 40404731 × 70000000 producing 2828331170000000

= 3201206755295003
