No problem, we've got 99642793 and 40093491 to multiply
99642793 × 40093491 = 40093491 × (99642793)
+ 40093491 × 3 that equals 120280473
+ 40093491 × 90 producing 3608414190
+ 40093491 × 700 producing 28065443700
+ 40093491 × 2000 which equals 80186982000
+ 40093491 × 40000 which equals 1603739640000
+ 40093491 × 600000 that results in 24056094600000
+ 40093491 × 9000000 resulting in 360841419000000
+ 40093491 × 90000000 resulting in 3608414190000000

= 3995027424360363
