Alright, let's work through 1545 times 4402 step by step
1545 × 4402 = 4402 × (1545)
+ 4402 × 5 yielding 22010
+ 4402 × 40 giving us 176080
+ 4402 × 500 that equals 2201000
+ 4402 × 1000 giving us 4402000

= 6801090
