Alright, let's work through 66002307 times 99913760 step by step
66002307 × 99913760 = 99913760 × (66002307)
+ 99913760 × 7 giving us 699396320
+ 99913760 × 00 that is equal 0
+ 99913760 × 300 yielding 29974128000
+ 99913760 × 2000 yielding 199827520000
+ 99913760 × 00000 giving us 0
+ 99913760 × 000000 that results in 0
+ 99913760 × 6000000 producing 599482560000000
+ 99913760 × 60000000 that results in 5994825600000000

= 6594538661044320
