No problem, we've got 2556 and 2613 to multiply
2556 × 2613 = 2613 × (2556)
+ 2613 × 6 that results in 15678
+ 2613 × 50 that equals 130650
+ 2613 × 500 what gives us 1306500
+ 2613 × 2000 giving us 5226000

= 6678828
