No problem, we've got 5687 and 4057 to multiply
5687 × 4057 = 4057 × (5687)
+ 4057 × 7 that is equal 28399
+ 4057 × 80 which equals 324560
+ 4057 × 600 producing 2434200
+ 4057 × 5000 giving us 20285000

= 23072159
