No problem, we've got 6394 and 4356 to multiply
6394 × 4356 = 4356 × (6394)
+ 4356 × 4 what gives us 17424
+ 4356 × 90 producing 392040
+ 4356 × 300 producing 1306800
+ 4356 × 6000 that equals 26136000

= 27852264
