Alright, let's work through 6739 times 2259 step by step
6739 × 2259 = 2259 × (6739)
+ 2259 × 9 that equals 20331
+ 2259 × 30 that equals 67770
+ 2259 × 700 that is equal 1581300
+ 2259 × 6000 what gives us 13554000

= 15223401
