No problem, we've got 4067 and 2945 to multiply
4067 × 2945 = 2945 × (4067)
+ 2945 × 7 that equals 20615
+ 2945 × 60 giving us 176700
+ 2945 × 000 which equals 0
+ 2945 × 4000 that results in 11780000

= 11977315
