Alright, let's work through 6904 times 1615 step by step
6904 × 1615 = 1615 × (6904)
+ 1615 × 4 that is equal 6460
+ 1615 × 00 resulting in 0
+ 1615 × 900 which equals 1453500
+ 1615 × 6000 yielding 9690000

= 11149960
