Alright, let's work through 3992 times 739 step by step
3992 × 739 = 739 × (3992)
+ 739 × 2 yielding 1478
+ 739 × 90 giving us 66510
+ 739 × 900 yielding 665100
+ 739 × 3000 that equals 2217000

= 2950088
