No problem, we've got 6391 and 3241 to multiply
6391 × 3241 = 3241 × (6391)
+ 3241 × 1 that equals 3241
+ 3241 × 90 yielding 291690
+ 3241 × 300 that is equal 972300
+ 3241 × 6000 what gives us 19446000

= 20713231
