No problem, we've got 2667 and 2160 to multiply
2667 × 2160 = 2160 × (2667)
+ 2160 × 7 that equals 15120
+ 2160 × 60 what gives us 129600
+ 2160 × 600 which equals 1296000
+ 2160 × 2000 producing 4320000

= 5760720
