Alright, let's work through 2180 times 9453 step by step
2180 × 9453 = 9453 × (2180)
+ 9453 × 0 which equals 0
+ 9453 × 80 that equals 756240
+ 9453 × 100 yielding 945300
+ 9453 × 2000 that equals 18906000

= 20607540
