Alright, let's work through 6870 times 3942 step by step
6870 × 3942 = 3942 × (6870)
+ 3942 × 0 that equals 0
+ 3942 × 70 resulting in 275940
+ 3942 × 800 that equals 3153600
+ 3942 × 6000 which equals 23652000

= 27081540
