Alright, let's work through 6711 times 1139 step by step
6711 × 1139 = 1139 × (6711)
+ 1139 × 1 what gives us 1139
+ 1139 × 10 resulting in 11390
+ 1139 × 700 that equals 797300
+ 1139 × 6000 resulting in 6834000

= 7643829
