Alright, let's work through 5830 times 5831 step by step
5830 × 5831 = 5831 × (5830)
+ 5831 × 0 which equals 0
+ 5831 × 30 that results in 174930
+ 5831 × 800 that is equal 4664800
+ 5831 × 5000 yielding 29155000

= 33994730
