Alright, let's work through 88964762 times 64628441 step by step
88964762 × 64628441 = 64628441 × (88964762)
+ 64628441 × 2 giving us 129256882
+ 64628441 × 60 producing 3877706460
+ 64628441 × 700 yielding 45239908700
+ 64628441 × 4000 that results in 258513764000
+ 64628441 × 60000 what gives us 3877706460000
+ 64628441 × 900000 that results in 58165596900000
+ 64628441 × 8000000 resulting in 517027528000000
+ 64628441 × 80000000 that results in 5170275280000000

= 5749653871996042
