Alright, let's work through 3585 times 6812 step by step
3585 × 6812 = 6812 × (3585)
+ 6812 × 5 yielding 34060
+ 6812 × 80 that equals 544960
+ 6812 × 500 yielding 3406000
+ 6812 × 3000 that equals 20436000

= 24421020
