Alright, let's work through 6145 times 6547 step by step
6145 × 6547 = 6547 × (6145)
+ 6547 × 5 that equals 32735
+ 6547 × 40 what gives us 261880
+ 6547 × 100 what gives us 654700
+ 6547 × 6000 what gives us 39282000

= 40231315
