No problem, we've got 66816164 and 89446739 to multiply
66816164 × 89446739 = 89446739 × (66816164)
+ 89446739 × 4 which equals 357786956
+ 89446739 × 60 yielding 5366804340
+ 89446739 × 100 producing 8944673900
+ 89446739 × 6000 giving us 536680434000
+ 89446739 × 10000 that results in 894467390000
+ 89446739 × 800000 resulting in 71557391200000
+ 89446739 × 6000000 that equals 536680434000000
+ 89446739 × 60000000 which equals 5366804340000000

= 5976487982289196
