Alright, let's work through 12801486 times 75352999 step by step
12801486 × 75352999 = 75352999 × (12801486)
+ 75352999 × 6 what gives us 452117994
+ 75352999 × 80 resulting in 6028239920
+ 75352999 × 400 that results in 30141199600
+ 75352999 × 1000 giving us 75352999000
+ 75352999 × 00000 resulting in 0
+ 75352999 × 800000 resulting in 60282399200000
+ 75352999 × 2000000 which equals 150705998000000
+ 75352999 × 10000000 which equals 753529990000000

= 964630361756514
