No problem, we've got 2650 and 1386 to multiply
2650 × 1386 = 1386 × (2650)
+ 1386 × 0 that is equal 0
+ 1386 × 50 producing 69300
+ 1386 × 600 what gives us 831600
+ 1386 × 2000 producing 2772000

= 3672900
