No problem, we've got 3439 and 6688 to multiply
3439 × 6688 = 6688 × (3439)
+ 6688 × 9 giving us 60192
+ 6688 × 30 giving us 200640
+ 6688 × 400 giving us 2675200
+ 6688 × 3000 what gives us 20064000

= 23000032
