No problem, we've got 2186 and 7164 to multiply
2186 × 7164 = 7164 × (2186)
+ 7164 × 6 that results in 42984
+ 7164 × 80 giving us 573120
+ 7164 × 100 that is equal 716400
+ 7164 × 2000 yielding 14328000

= 15660504
