Alright, let's work through 66626420 times 89741281 step by step
66626420 × 89741281 = 89741281 × (66626420)
+ 89741281 × 0 which equals 0
+ 89741281 × 20 what gives us 1794825620
+ 89741281 × 400 producing 35896512400
+ 89741281 × 6000 that is equal 538447686000
+ 89741281 × 20000 that results in 1794825620000
+ 89741281 × 600000 resulting in 53844768600000
+ 89741281 × 6000000 that results in 538447686000000
+ 89741281 × 60000000 that results in 5384476860000000

= 5979140279244020
