No problem, we've got 5939 and 6664 to multiply
5939 × 6664 = 6664 × (5939)
+ 6664 × 9 resulting in 59976
+ 6664 × 30 what gives us 199920
+ 6664 × 900 producing 5997600
+ 6664 × 5000 giving us 33320000

= 39577496
