No problem, we've got 6337 and 3186 to multiply
6337 × 3186 = 3186 × (6337)
+ 3186 × 7 which equals 22302
+ 3186 × 30 that equals 95580
+ 3186 × 300 that is equal 955800
+ 3186 × 6000 producing 19116000

= 20189682
