Alright, let's work through 1612 times 3172 step by step
1612 × 3172 = 3172 × (1612)
+ 3172 × 2 which equals 6344
+ 3172 × 10 what gives us 31720
+ 3172 × 600 which equals 1903200
+ 3172 × 1000 producing 3172000

= 5113264
