Alright, let's work through 9921 times 3375 step by step
9921 × 3375 = 3375 × (9921)
+ 3375 × 1 that is equal 3375
+ 3375 × 20 which equals 67500
+ 3375 × 900 that results in 3037500
+ 3375 × 9000 yielding 30375000

= 33483375
