Alright, let's work through 96880307 times 63213735 step by step
96880307 × 63213735 = 63213735 × (96880307)
+ 63213735 × 7 which equals 442496145
+ 63213735 × 00 resulting in 0
+ 63213735 × 300 yielding 18964120500
+ 63213735 × 0000 that equals 0
+ 63213735 × 80000 what gives us 5057098800000
+ 63213735 × 800000 producing 50570988000000
+ 63213735 × 6000000 that results in 379282410000000
+ 63213735 × 90000000 what gives us 5689236150000000

= 6124166053416645
