No problem, we've got 7987 and 9923 to multiply
7987 × 9923 = 9923 × (7987)
+ 9923 × 7 which equals 69461
+ 9923 × 80 what gives us 793840
+ 9923 × 900 yielding 8930700
+ 9923 × 7000 giving us 69461000

= 79255001
