Alright, let's work through 1904 times 8245 step by step
1904 × 8245 = 8245 × (1904)
+ 8245 × 4 giving us 32980
+ 8245 × 00 giving us 0
+ 8245 × 900 what gives us 7420500
+ 8245 × 1000 resulting in 8245000

= 15698480
