No problem, we've got 2720 and 1646 to multiply
2720 × 1646 = 1646 × (2720)
+ 1646 × 0 that is equal 0
+ 1646 × 20 producing 32920
+ 1646 × 700 what gives us 1152200
+ 1646 × 2000 yielding 3292000

= 4477120
