Alright, let's work through 6540 times 3536 step by step
6540 × 3536 = 3536 × (6540)
+ 3536 × 0 producing 0
+ 3536 × 40 that results in 141440
+ 3536 × 500 which equals 1768000
+ 3536 × 6000 which equals 21216000

= 23125440
