Alright, let's work through 8340 times 6931 step by step
8340 × 6931 = 6931 × (8340)
+ 6931 × 0 that equals 0
+ 6931 × 40 which equals 277240
+ 6931 × 300 producing 2079300
+ 6931 × 8000 what gives us 55448000

= 57804540
