Alright, let's work through 88396473 times 72919062 step by step
88396473 × 72919062 = 72919062 × (88396473)
+ 72919062 × 3 that results in 218757186
+ 72919062 × 70 producing 5104334340
+ 72919062 × 400 that results in 29167624800
+ 72919062 × 6000 which equals 437514372000
+ 72919062 × 90000 producing 6562715580000
+ 72919062 × 300000 resulting in 21875718600000
+ 72919062 × 8000000 that results in 583352496000000
+ 72919062 × 80000000 producing 5833524960000000

= 6445787895268326
