Alright, let's work through 62639985 times 88060008 step by step
62639985 × 88060008 = 88060008 × (62639985)
+ 88060008 × 5 yielding 440300040
+ 88060008 × 80 yielding 7044800640
+ 88060008 × 900 which equals 79254007200
+ 88060008 × 9000 giving us 792540072000
+ 88060008 × 30000 that equals 2641800240000
+ 88060008 × 600000 yielding 52836004800000
+ 88060008 × 2000000 giving us 176120016000000
+ 88060008 × 60000000 that is equal 5283600480000000

= 5516077580219880
