No problem, we've got 90399289 and 99146422 to multiply
90399289 × 99146422 = 99146422 × (90399289)
+ 99146422 × 9 what gives us 892317798
+ 99146422 × 80 which equals 7931713760
+ 99146422 × 200 that equals 19829284400
+ 99146422 × 9000 yielding 892317798000
+ 99146422 × 90000 resulting in 8923177980000
+ 99146422 × 300000 that is equal 29743926600000
+ 99146422 × 0000000 giving us 0
+ 99146422 × 90000000 giving us 8923177980000000

= 8962766055693958
