No problem, we've got 1662 and 3400 to multiply
1662 × 3400 = 3400 × (1662)
+ 3400 × 2 giving us 6800
+ 3400 × 60 giving us 204000
+ 3400 × 600 producing 2040000
+ 3400 × 1000 producing 3400000

= 5650800
