No problem, we've got 85909801 and 66109522 to multiply
85909801 × 66109522 = 66109522 × (85909801)
+ 66109522 × 1 resulting in 66109522
+ 66109522 × 00 giving us 0
+ 66109522 × 800 which equals 52887617600
+ 66109522 × 9000 what gives us 594985698000
+ 66109522 × 00000 yielding 0
+ 66109522 × 900000 that equals 59498569800000
+ 66109522 × 5000000 giving us 330547610000000
+ 66109522 × 80000000 producing 5288761760000000

= 5679455879225122
