Alright, let's work through 4128 times 4025 step by step
4128 × 4025 = 4025 × (4128)
+ 4025 × 8 that results in 32200
+ 4025 × 20 that is equal 80500
+ 4025 × 100 which equals 402500
+ 4025 × 4000 that is equal 16100000

= 16615200
