Alright, let's work through 6547 times 3103 step by step
6547 × 3103 = 3103 × (6547)
+ 3103 × 7 producing 21721
+ 3103 × 40 that is equal 124120
+ 3103 × 500 that results in 1551500
+ 3103 × 6000 producing 18618000

= 20315341
