No problem, we've got 6668 and 1139 to multiply
6668 × 1139 = 1139 × (6668)
+ 1139 × 8 which equals 9112
+ 1139 × 60 yielding 68340
+ 1139 × 600 which equals 683400
+ 1139 × 6000 that equals 6834000

= 7594852
