Alright, let's work through 63439702 times 79422348 step by step
63439702 × 79422348 = 79422348 × (63439702)
+ 79422348 × 2 which equals 158844696
+ 79422348 × 00 that results in 0
+ 79422348 × 700 producing 55595643600
+ 79422348 × 9000 which equals 714801132000
+ 79422348 × 30000 yielding 2382670440000
+ 79422348 × 400000 resulting in 31768939200000
+ 79422348 × 3000000 resulting in 238267044000000
+ 79422348 × 60000000 which equals 4765340880000000

= 5038530089260296
