Alright, let's work through 6739 times 6359 step by step
6739 × 6359 = 6359 × (6739)
+ 6359 × 9 what gives us 57231
+ 6359 × 30 that is equal 190770
+ 6359 × 700 giving us 4451300
+ 6359 × 6000 that is equal 38154000

= 42853301
