Alright, let's work through 67681623 times 46659497 step by step
67681623 × 46659497 = 46659497 × (67681623)
+ 46659497 × 3 giving us 139978491
+ 46659497 × 20 that equals 933189940
+ 46659497 × 600 producing 27995698200
+ 46659497 × 1000 resulting in 46659497000
+ 46659497 × 80000 which equals 3732759760000
+ 46659497 × 600000 what gives us 27995698200000
+ 46659497 × 7000000 which equals 326616479000000
+ 46659497 × 60000000 yielding 2799569820000000

= 3157990485323631
