Alright, let's work through 6777 times 3537 step by step
6777 × 3537 = 3537 × (6777)
+ 3537 × 7 resulting in 24759
+ 3537 × 70 that is equal 247590
+ 3537 × 700 that equals 2475900
+ 3537 × 6000 producing 21222000

= 23970249
