We're going to solve 6945 multiplied by 2187
6945 × 2187 = 2187 × (6945)
+ 2187 × 5 that is equal 10935
+ 2187 × 40 producing 87480
+ 2187 × 900 which equals 1968300
+ 2187 × 6000 yielding 13122000

= 15188715
