Alright, let's work through 80915903 times 2211126 step by step
80915903 × 2211126 = 2211126 × (80915903)
+ 2211126 × 3 yielding 6633378
+ 2211126 × 00 yielding 0
+ 2211126 × 900 which equals 1990013400
+ 2211126 × 5000 that results in 11055630000
+ 2211126 × 10000 producing 22111260000
+ 2211126 × 900000 that results in 1990013400000
+ 2211126 × 0000000 which equals 0
+ 2211126 × 80000000 producing 176890080000000

= 178915256936778
