Alright, let's work through 3155 times 1293 step by step
3155 × 1293 = 1293 × (3155)
+ 1293 × 5 resulting in 6465
+ 1293 × 50 that results in 64650
+ 1293 × 100 which equals 129300
+ 1293 × 3000 producing 3879000

= 4079415
