Alright, let's work through 79722734 times 63604546 step by step
79722734 × 63604546 = 63604546 × (79722734)
+ 63604546 × 4 what gives us 254418184
+ 63604546 × 30 that is equal 1908136380
+ 63604546 × 700 that equals 44523182200
+ 63604546 × 2000 yielding 127209092000
+ 63604546 × 20000 yielding 1272090920000
+ 63604546 × 700000 resulting in 44523182200000
+ 63604546 × 9000000 resulting in 572440914000000
+ 63604546 × 70000000 resulting in 4452318220000000

= 5070728301948764
