No problem, we've got 5444 and 3994 to multiply
5444 × 3994 = 3994 × (5444)
+ 3994 × 4 what gives us 15976
+ 3994 × 40 that results in 159760
+ 3994 × 400 giving us 1597600
+ 3994 × 5000 that is equal 19970000

= 21743336
