No problem, we've got 6064 and 6578 to multiply
6064 × 6578 = 6578 × (6064)
+ 6578 × 4 giving us 26312
+ 6578 × 60 which equals 394680
+ 6578 × 000 what gives us 0
+ 6578 × 6000 what gives us 39468000

= 39888992
