No problem, we've got 6689 and 6382 to multiply
6689 × 6382 = 6382 × (6689)
+ 6382 × 9 that is equal 57438
+ 6382 × 80 yielding 510560
+ 6382 × 600 giving us 3829200
+ 6382 × 6000 giving us 38292000

= 42689198
