Alright, let's work through 66797006 times 63333639 step by step
66797006 × 63333639 = 63333639 × (66797006)
+ 63333639 × 6 what gives us 380001834
+ 63333639 × 00 that equals 0
+ 63333639 × 000 producing 0
+ 63333639 × 7000 that results in 443335473000
+ 63333639 × 90000 what gives us 5700027510000
+ 63333639 × 700000 that equals 44333547300000
+ 63333639 × 6000000 resulting in 380001834000000
+ 63333639 × 60000000 yielding 3800018340000000

= 4230497464284834
