No problem, we've got 2160 and 2564 to multiply
2160 × 2564 = 2564 × (2160)
+ 2564 × 0 that is equal 0
+ 2564 × 60 what gives us 153840
+ 2564 × 100 giving us 256400
+ 2564 × 2000 yielding 5128000

= 5538240
