Alright, let's work through 2745 times 5670 step by step
2745 × 5670 = 5670 × (2745)
+ 5670 × 5 producing 28350
+ 5670 × 40 yielding 226800
+ 5670 × 700 that equals 3969000
+ 5670 × 2000 producing 11340000

= 15564150
