No problem, we've got 1827 and 6945 to multiply
1827 × 6945 = 6945 × (1827)
+ 6945 × 7 resulting in 48615
+ 6945 × 20 producing 138900
+ 6945 × 800 producing 5556000
+ 6945 × 1000 that results in 6945000

= 12688515
