No problem, we've got 4177 and 6580 to multiply
4177 × 6580 = 6580 × (4177)
+ 6580 × 7 what gives us 46060
+ 6580 × 70 resulting in 460600
+ 6580 × 100 what gives us 658000
+ 6580 × 4000 producing 26320000

= 27484660
