Alright, let's work through 1684 times 7273 step by step
1684 × 7273 = 7273 × (1684)
+ 7273 × 4 that results in 29092
+ 7273 × 80 giving us 581840
+ 7273 × 600 resulting in 4363800
+ 7273 × 1000 that results in 7273000

= 12247732
