Alright, let's work through 8663954 times 50214515 step by step
8663954 × 50214515 = 50214515 × (8663954)
+ 50214515 × 4 what gives us 200858060
+ 50214515 × 50 yielding 2510725750
+ 50214515 × 900 giving us 45193063500
+ 50214515 × 3000 that is equal 150643545000
+ 50214515 × 60000 yielding 3012870900000
+ 50214515 × 600000 resulting in 30128709000000
+ 50214515 × 8000000 producing 401716120000000

= 435056248092310
