Alright, let's work through 2520 times 4897 step by step
2520 × 4897 = 4897 × (2520)
+ 4897 × 0 producing 0
+ 4897 × 20 producing 97940
+ 4897 × 500 yielding 2448500
+ 4897 × 2000 what gives us 9794000

= 12340440
