No problem, we've got 1600 and 2162 to multiply
1600 × 2162 = 2162 × (1600)
+ 2162 × 0 what gives us 0
+ 2162 × 00 that equals 0
+ 2162 × 600 what gives us 1297200
+ 2162 × 1000 yielding 2162000

= 3459200
