Alright, let's work through 88921485 times 19980670 step by step
88921485 × 19980670 = 19980670 × (88921485)
+ 19980670 × 5 producing 99903350
+ 19980670 × 80 yielding 1598453600
+ 19980670 × 400 yielding 7992268000
+ 19980670 × 1000 yielding 19980670000
+ 19980670 × 20000 resulting in 399613400000
+ 19980670 × 900000 producing 17982603000000
+ 19980670 × 8000000 yielding 159845360000000
+ 19980670 × 80000000 what gives us 1598453600000000

= 1776710847694950
