Alright, let's work through 3734 times 5758 step by step
3734 × 5758 = 5758 × (3734)
+ 5758 × 4 which equals 23032
+ 5758 × 30 yielding 172740
+ 5758 × 700 that is equal 4030600
+ 5758 × 3000 that is equal 17274000

= 21500372
