Alright, let's work through 4075 times 7739 step by step
4075 × 7739 = 7739 × (4075)
+ 7739 × 5 what gives us 38695
+ 7739 × 70 which equals 541730
+ 7739 × 000 that results in 0
+ 7739 × 4000 yielding 30956000

= 31536425
