Alright, let's work through 6721 times 273 step by step
6721 × 273 = 273 × (6721)
+ 273 × 1 which equals 273
+ 273 × 20 yielding 5460
+ 273 × 700 that results in 191100
+ 273 × 6000 resulting in 1638000

= 1834833
