Alright, let's work through 2900 times 1162 step by step
2900 × 1162 = 1162 × (2900)
+ 1162 × 0 resulting in 0
+ 1162 × 00 that results in 0
+ 1162 × 900 producing 1045800
+ 1162 × 2000 yielding 2324000

= 3369800
