Alright, let's work through 86906984 times 8801994 step by step
86906984 × 8801994 = 8801994 × (86906984)
+ 8801994 × 4 resulting in 35207976
+ 8801994 × 80 yielding 704159520
+ 8801994 × 900 resulting in 7921794600
+ 8801994 × 6000 which equals 52811964000
+ 8801994 × 00000 what gives us 0
+ 8801994 × 900000 that is equal 7921794600000
+ 8801994 × 6000000 producing 52811964000000
+ 8801994 × 80000000 that is equal 704159520000000

= 764954751726096
