Alright, let's work through 3307 times 1615 step by step
3307 × 1615 = 1615 × (3307)
+ 1615 × 7 that is equal 11305
+ 1615 × 00 that equals 0
+ 1615 × 300 which equals 484500
+ 1615 × 3000 resulting in 4845000

= 5340805
