Alright, let's work through 87364957 times 28436466 step by step
87364957 × 28436466 = 28436466 × (87364957)
+ 28436466 × 7 producing 199055262
+ 28436466 × 50 yielding 1421823300
+ 28436466 × 900 yielding 25592819400
+ 28436466 × 4000 producing 113745864000
+ 28436466 × 60000 yielding 1706187960000
+ 28436466 × 300000 that results in 8530939800000
+ 28436466 × 7000000 which equals 199055262000000
+ 28436466 × 80000000 what gives us 2274917280000000

= 2484350629321962
