No problem, we've got 2866 and 2780 to multiply
2866 × 2780 = 2780 × (2866)
+ 2780 × 6 that results in 16680
+ 2780 × 60 which equals 166800
+ 2780 × 800 what gives us 2224000
+ 2780 × 2000 resulting in 5560000

= 7967480
