Alright, let's work through 12494377 times 66426997 step by step
12494377 × 66426997 = 66426997 × (12494377)
+ 66426997 × 7 which equals 464988979
+ 66426997 × 70 giving us 4649889790
+ 66426997 × 300 yielding 19928099100
+ 66426997 × 4000 yielding 265707988000
+ 66426997 × 90000 yielding 5978429730000
+ 66426997 × 400000 that is equal 26570798800000
+ 66426997 × 2000000 yielding 132853994000000
+ 66426997 × 10000000 which equals 664269970000000

= 829963943495869
