No problem, we've got 6721 and 6337 to multiply
6721 × 6337 = 6337 × (6721)
+ 6337 × 1 producing 6337
+ 6337 × 20 what gives us 126740
+ 6337 × 700 that equals 4435900
+ 6337 × 6000 that equals 38022000

= 42590977
