No problem, we've got 1680 and 2087 to multiply
1680 × 2087 = 2087 × (1680)
+ 2087 × 0 giving us 0
+ 2087 × 80 that is equal 166960
+ 2087 × 600 that equals 1252200
+ 2087 × 1000 resulting in 2087000

= 3506160
