Alright, let's work through 5791 times 6057 step by step
5791 × 6057 = 6057 × (5791)
+ 6057 × 1 that results in 6057
+ 6057 × 90 that results in 545130
+ 6057 × 700 yielding 4239900
+ 6057 × 5000 what gives us 30285000

= 35076087
