Alright, let's work through 4355 times 4113 step by step
4355 × 4113 = 4113 × (4355)
+ 4113 × 5 producing 20565
+ 4113 × 50 which equals 205650
+ 4113 × 300 giving us 1233900
+ 4113 × 4000 giving us 16452000

= 17912115
