Alright, let's work through 79372896 times 64231485 step by step
79372896 × 64231485 = 64231485 × (79372896)
+ 64231485 × 6 yielding 385388910
+ 64231485 × 90 giving us 5780833650
+ 64231485 × 800 resulting in 51385188000
+ 64231485 × 2000 that is equal 128462970000
+ 64231485 × 70000 resulting in 4496203950000
+ 64231485 × 300000 that results in 19269445500000
+ 64231485 × 9000000 that results in 578083365000000
+ 64231485 × 70000000 what gives us 4496203950000000

= 5098238978830560
