No problem, we've got 7983 and 1982 to multiply
7983 × 1982 = 1982 × (7983)
+ 1982 × 3 that is equal 5946
+ 1982 × 80 resulting in 158560
+ 1982 × 900 that equals 1783800
+ 1982 × 7000 yielding 13874000

= 15822306
