No problem, we've got 6391 and 1114 to multiply
6391 × 1114 = 1114 × (6391)
+ 1114 × 1 what gives us 1114
+ 1114 × 90 giving us 100260
+ 1114 × 300 that results in 334200
+ 1114 × 6000 resulting in 6684000

= 7119574
