Alright, let's work through 3654 times 1125 step by step
3654 × 1125 = 1125 × (3654)
+ 1125 × 4 that equals 4500
+ 1125 × 50 which equals 56250
+ 1125 × 600 which equals 675000
+ 1125 × 3000 producing 3375000

= 4110750
