Alright, let's work through 5615 times 3287 step by step
5615 × 3287 = 3287 × (5615)
+ 3287 × 5 resulting in 16435
+ 3287 × 10 that is equal 32870
+ 3287 × 600 producing 1972200
+ 3287 × 5000 giving us 16435000

= 18456505
