Alright, let's work through 8251 times 7721 step by step
8251 × 7721 = 7721 × (8251)
+ 7721 × 1 what gives us 7721
+ 7721 × 50 that results in 386050
+ 7721 × 200 yielding 1544200
+ 7721 × 8000 what gives us 61768000

= 63705971
