No problem, we've got 6245 and 920 to multiply
6245 × 920 = 920 × (6245)
+ 920 × 5 what gives us 4600
+ 920 × 40 that results in 36800
+ 920 × 200 resulting in 184000
+ 920 × 6000 yielding 5520000

= 5745400
