Alright, let's work through 6478 times 2745 step by step
6478 × 2745 = 2745 × (6478)
+ 2745 × 8 what gives us 21960
+ 2745 × 70 that is equal 192150
+ 2745 × 400 yielding 1098000
+ 2745 × 6000 which equals 16470000

= 17782110
