Alright, let's work through 12311318 times 11800140 step by step
12311318 × 11800140 = 11800140 × (12311318)
+ 11800140 × 8 resulting in 94401120
+ 11800140 × 10 resulting in 118001400
+ 11800140 × 300 what gives us 3540042000
+ 11800140 × 1000 what gives us 11800140000
+ 11800140 × 10000 yielding 118001400000
+ 11800140 × 300000 which equals 3540042000000
+ 11800140 × 2000000 what gives us 23600280000000
+ 11800140 × 10000000 yielding 118001400000000

= 145275275984520
