No problem, we've got 7983 and 7621 to multiply
7983 × 7621 = 7621 × (7983)
+ 7621 × 3 that is equal 22863
+ 7621 × 80 that equals 609680
+ 7621 × 900 giving us 6858900
+ 7621 × 7000 yielding 53347000

= 60838443
