No problem, we've got 2569 and 3156 to multiply
2569 × 3156 = 3156 × (2569)
+ 3156 × 9 what gives us 28404
+ 3156 × 60 that equals 189360
+ 3156 × 500 that results in 1578000
+ 3156 × 2000 giving us 6312000

= 8107764
