Alright, let's work through 5745 times 3680 step by step
5745 × 3680 = 3680 × (5745)
+ 3680 × 5 producing 18400
+ 3680 × 40 resulting in 147200
+ 3680 × 700 which equals 2576000
+ 3680 × 5000 what gives us 18400000

= 21141600
