No problem, we've got 7763 and 8321 to multiply
7763 × 8321 = 8321 × (7763)
+ 8321 × 3 giving us 24963
+ 8321 × 60 producing 499260
+ 8321 × 700 what gives us 5824700
+ 8321 × 7000 which equals 58247000

= 64595923
