No problem, we've got 2187 and 3137 to multiply
2187 × 3137 = 3137 × (2187)
+ 3137 × 7 that results in 21959
+ 3137 × 80 resulting in 250960
+ 3137 × 100 resulting in 313700
+ 3137 × 2000 resulting in 6274000

= 6860619
