Alright, let's work through 7309 times 2246 step by step
7309 × 2246 = 2246 × (7309)
+ 2246 × 9 yielding 20214
+ 2246 × 00 giving us 0
+ 2246 × 300 that results in 673800
+ 2246 × 7000 giving us 15722000

= 16416014
