Alright, let's work through 8578 times 8072 step by step
8578 × 8072 = 8072 × (8578)
+ 8072 × 8 which equals 64576
+ 8072 × 70 that equals 565040
+ 8072 × 500 that results in 4036000
+ 8072 × 8000 yielding 64576000

= 69241616
