Alright, let's work through 8578 times 8054 step by step
8578 × 8054 = 8054 × (8578)
+ 8054 × 8 that equals 64432
+ 8054 × 70 yielding 563780
+ 8054 × 500 resulting in 4027000
+ 8054 × 8000 producing 64432000

= 69087212
