Alright, let's work through 1607 times 7346 step by step
1607 × 7346 = 7346 × (1607)
+ 7346 × 7 which equals 51422
+ 7346 × 00 that results in 0
+ 7346 × 600 what gives us 4407600
+ 7346 × 1000 yielding 7346000

= 11805022
