Alright, let's work through 1856 times 7225 step by step
1856 × 7225 = 7225 × (1856)
+ 7225 × 6 producing 43350
+ 7225 × 50 producing 361250
+ 7225 × 800 producing 5780000
+ 7225 × 1000 giving us 7225000

= 13409600
