Alright, let's work through 12148814 times 30887107 step by step
12148814 × 30887107 = 30887107 × (12148814)
+ 30887107 × 4 which equals 123548428
+ 30887107 × 10 giving us 308871070
+ 30887107 × 800 which equals 24709685600
+ 30887107 × 8000 what gives us 247096856000
+ 30887107 × 40000 that equals 1235484280000
+ 30887107 × 100000 producing 3088710700000
+ 30887107 × 2000000 which equals 61774214000000
+ 30887107 × 10000000 resulting in 308871070000000

= 375241717941098
