No problem, we've got 3999 and 6765 to multiply
3999 × 6765 = 6765 × (3999)
+ 6765 × 9 giving us 60885
+ 6765 × 90 that results in 608850
+ 6765 × 900 which equals 6088500
+ 6765 × 3000 that results in 20295000

= 27053235
