Alright, let's work through 2136 times 5758 step by step
2136 × 5758 = 5758 × (2136)
+ 5758 × 6 producing 34548
+ 5758 × 30 that results in 172740
+ 5758 × 100 resulting in 575800
+ 5758 × 2000 what gives us 11516000

= 12299088
