Alright, let's work through 6811 times 1870 step by step
6811 × 1870 = 1870 × (6811)
+ 1870 × 1 resulting in 1870
+ 1870 × 10 producing 18700
+ 1870 × 800 producing 1496000
+ 1870 × 6000 that is equal 11220000

= 12736570
