Alright, let's work through 79969537 times 8219724 step by step
79969537 × 8219724 = 8219724 × (79969537)
+ 8219724 × 7 producing 57538068
+ 8219724 × 30 that equals 246591720
+ 8219724 × 500 what gives us 4109862000
+ 8219724 × 9000 yielding 73977516000
+ 8219724 × 60000 producing 493183440000
+ 8219724 × 900000 which equals 7397751600000
+ 8219724 × 9000000 producing 73977516000000
+ 8219724 × 70000000 which equals 575380680000000

= 657327522547788
