Alright, let's work through 9578 times 879 step by step
9578 × 879 = 879 × (9578)
+ 879 × 8 which equals 7032
+ 879 × 70 that equals 61530
+ 879 × 500 what gives us 439500
+ 879 × 9000 producing 7911000

= 8419062
