Alright, let's work through 7647 times 3705 step by step
7647 × 3705 = 3705 × (7647)
+ 3705 × 7 that equals 25935
+ 3705 × 40 that equals 148200
+ 3705 × 600 yielding 2223000
+ 3705 × 7000 resulting in 25935000

= 28332135
