No problem, we've got 1639 and 3386 to multiply
1639 × 3386 = 3386 × (1639)
+ 3386 × 9 that is equal 30474
+ 3386 × 30 which equals 101580
+ 3386 × 600 that equals 2031600
+ 3386 × 1000 what gives us 3386000

= 5549654
