No problem, we've got 6589 and 3987 to multiply
6589 × 3987 = 3987 × (6589)
+ 3987 × 9 that equals 35883
+ 3987 × 80 which equals 318960
+ 3987 × 500 what gives us 1993500
+ 3987 × 6000 which equals 23922000

= 26270343
