No problem, we've got 9987 and 7172 to multiply
9987 × 7172 = 7172 × (9987)
+ 7172 × 7 that equals 50204
+ 7172 × 80 yielding 573760
+ 7172 × 900 that is equal 6454800
+ 7172 × 9000 giving us 64548000

= 71626764
