Alright, let's work through 80729159 times 14980131 step by step
80729159 × 14980131 = 14980131 × (80729159)
+ 14980131 × 9 what gives us 134821179
+ 14980131 × 50 that is equal 749006550
+ 14980131 × 100 what gives us 1498013100
+ 14980131 × 9000 yielding 134821179000
+ 14980131 × 20000 giving us 299602620000
+ 14980131 × 700000 what gives us 10486091700000
+ 14980131 × 0000000 resulting in 0
+ 14980131 × 80000000 resulting in 1198410480000000

= 1209333377339829
