Alright, let's work through 64136507 times 48803225 step by step
64136507 × 48803225 = 48803225 × (64136507)
+ 48803225 × 7 yielding 341622575
+ 48803225 × 00 producing 0
+ 48803225 × 500 giving us 24401612500
+ 48803225 × 6000 yielding 292819350000
+ 48803225 × 30000 producing 1464096750000
+ 48803225 × 100000 which equals 4880322500000
+ 48803225 × 4000000 yielding 195212900000000
+ 48803225 × 60000000 that is equal 2928193500000000

= 3130068381835075
