No problem, we've got 4186 and 5210 to multiply
4186 × 5210 = 5210 × (4186)
+ 5210 × 6 producing 31260
+ 5210 × 80 that results in 416800
+ 5210 × 100 that equals 521000
+ 5210 × 4000 which equals 20840000

= 21809060
