No problem, we've got 2837 and 1340 to multiply
2837 × 1340 = 1340 × (2837)
+ 1340 × 7 which equals 9380
+ 1340 × 30 which equals 40200
+ 1340 × 800 giving us 1072000
+ 1340 × 2000 which equals 2680000

= 3801580
