No problem, we've got 6721 and 1238 to multiply
6721 × 1238 = 1238 × (6721)
+ 1238 × 1 which equals 1238
+ 1238 × 20 what gives us 24760
+ 1238 × 700 producing 866600
+ 1238 × 6000 giving us 7428000

= 8320598
