Alright, let's work through 4335 times 4872 step by step
4335 × 4872 = 4872 × (4335)
+ 4872 × 5 that results in 24360
+ 4872 × 30 that results in 146160
+ 4872 × 300 yielding 1461600
+ 4872 × 4000 giving us 19488000

= 21120120
