Alright, let's work through 4233 times 3145 step by step
4233 × 3145 = 3145 × (4233)
+ 3145 × 3 that equals 9435
+ 3145 × 30 giving us 94350
+ 3145 × 200 that equals 629000
+ 3145 × 4000 which equals 12580000

= 13312785
