Alright, let's work through 2663 times 6890 step by step
2663 × 6890 = 6890 × (2663)
+ 6890 × 3 what gives us 20670
+ 6890 × 60 giving us 413400
+ 6890 × 600 producing 4134000
+ 6890 × 2000 that results in 13780000

= 18348070
