Alright, let's work through 75064971 times 18680483 step by step
75064971 × 18680483 = 18680483 × (75064971)
+ 18680483 × 1 resulting in 18680483
+ 18680483 × 70 resulting in 1307633810
+ 18680483 × 900 producing 16812434700
+ 18680483 × 4000 yielding 74721932000
+ 18680483 × 60000 resulting in 1120828980000
+ 18680483 × 000000 giving us 0
+ 18680483 × 5000000 what gives us 93402415000000
+ 18680483 × 70000000 giving us 1307633810000000

= 1402249914660993
