Alright, let's work through 2749 times 3115 step by step
2749 × 3115 = 3115 × (2749)
+ 3115 × 9 what gives us 28035
+ 3115 × 40 producing 124600
+ 3115 × 700 which equals 2180500
+ 3115 × 2000 producing 6230000

= 8563135
