No problem, we've got 89799968 and 66618053 to multiply
89799968 × 66618053 = 66618053 × (89799968)
+ 66618053 × 8 what gives us 532944424
+ 66618053 × 60 producing 3997083180
+ 66618053 × 900 producing 59956247700
+ 66618053 × 9000 giving us 599562477000
+ 66618053 × 90000 giving us 5995624770000
+ 66618053 × 700000 giving us 46632637100000
+ 66618053 × 9000000 which equals 599562477000000
+ 66618053 × 80000000 yielding 5329444240000000

= 5982299027622304
