No problem, we've got 3122 and 1659 to multiply
3122 × 1659 = 1659 × (3122)
+ 1659 × 2 that is equal 3318
+ 1659 × 20 what gives us 33180
+ 1659 × 100 which equals 165900
+ 1659 × 3000 producing 4977000

= 5179398
