Alright, let's work through 1299 times 3040 step by step
1299 × 3040 = 3040 × (1299)
+ 3040 × 9 which equals 27360
+ 3040 × 90 producing 273600
+ 3040 × 200 which equals 608000
+ 3040 × 1000 giving us 3040000

= 3948960
