Alright, let's work through 9675 times 2121 step by step
9675 × 2121 = 2121 × (9675)
+ 2121 × 5 resulting in 10605
+ 2121 × 70 yielding 148470
+ 2121 × 600 yielding 1272600
+ 2121 × 9000 that is equal 19089000

= 20520675
