Alright, let's work through 63994327 times 52342501 step by step
63994327 × 52342501 = 52342501 × (63994327)
+ 52342501 × 7 that results in 366397507
+ 52342501 × 20 that equals 1046850020
+ 52342501 × 300 producing 15702750300
+ 52342501 × 4000 yielding 209370004000
+ 52342501 × 90000 yielding 4710825090000
+ 52342501 × 900000 which equals 47108250900000
+ 52342501 × 3000000 that results in 157027503000000
+ 52342501 × 60000000 what gives us 3140550060000000

= 3349623124991827
