No problem, we've got 96648885 and 64164543 to multiply
96648885 × 64164543 = 64164543 × (96648885)
+ 64164543 × 5 which equals 320822715
+ 64164543 × 80 producing 5133163440
+ 64164543 × 800 which equals 51331634400
+ 64164543 × 8000 that equals 513316344000
+ 64164543 × 40000 that equals 2566581720000
+ 64164543 × 600000 which equals 38498725800000
+ 64164543 × 6000000 giving us 384987258000000
+ 64164543 × 90000000 what gives us 5774808870000000

= 6201431537484555
