Alright, let's work through 66602227 times 87517561 step by step
66602227 × 87517561 = 87517561 × (66602227)
+ 87517561 × 7 giving us 612622927
+ 87517561 × 20 that results in 1750351220
+ 87517561 × 200 producing 17503512200
+ 87517561 × 2000 yielding 175035122000
+ 87517561 × 00000 giving us 0
+ 87517561 × 600000 that is equal 52510536600000
+ 87517561 × 6000000 that is equal 525105366000000
+ 87517561 × 60000000 which equals 5251053660000000

= 5828864464208347
