Alright, let's work through 89925995 times 11878077 step by step
89925995 × 11878077 = 11878077 × (89925995)
+ 11878077 × 5 that results in 59390385
+ 11878077 × 90 that is equal 1069026930
+ 11878077 × 900 resulting in 10690269300
+ 11878077 × 5000 what gives us 59390385000
+ 11878077 × 20000 producing 237561540000
+ 11878077 × 900000 that equals 10690269300000
+ 11878077 × 9000000 producing 106902693000000
+ 11878077 × 80000000 which equals 950246160000000

= 1068147892911615
