Alright, let's work through 1415 times 3160 step by step
1415 × 3160 = 3160 × (1415)
+ 3160 × 5 which equals 15800
+ 3160 × 10 which equals 31600
+ 3160 × 400 resulting in 1264000
+ 3160 × 1000 which equals 3160000

= 4471400
