Alright, let's work through 3205 times 3954 step by step
3205 × 3954 = 3954 × (3205)
+ 3954 × 5 yielding 19770
+ 3954 × 00 which equals 0
+ 3954 × 200 which equals 790800
+ 3954 × 3000 which equals 11862000

= 12672570
