Alright, let's work through 1405 times 5758 step by step
1405 × 5758 = 5758 × (1405)
+ 5758 × 5 producing 28790
+ 5758 × 00 that equals 0
+ 5758 × 400 what gives us 2303200
+ 5758 × 1000 producing 5758000

= 8089990
