Alright, let's work through 12133415 times 31270227 step by step
12133415 × 31270227 = 31270227 × (12133415)
+ 31270227 × 5 giving us 156351135
+ 31270227 × 10 resulting in 312702270
+ 31270227 × 400 what gives us 12508090800
+ 31270227 × 3000 that results in 93810681000
+ 31270227 × 30000 giving us 938106810000
+ 31270227 × 100000 what gives us 3127022700000
+ 31270227 × 2000000 what gives us 62540454000000
+ 31270227 × 10000000 giving us 312702270000000

= 379414641335205
