Alright, let's work through 3245 times 4247 step by step
3245 × 4247 = 4247 × (3245)
+ 4247 × 5 producing 21235
+ 4247 × 40 that is equal 169880
+ 4247 × 200 which equals 849400
+ 4247 × 3000 producing 12741000

= 13781515
