No problem, we've got 9927 and 9973 to multiply
9927 × 9973 = 9973 × (9927)
+ 9973 × 7 giving us 69811
+ 9973 × 20 that equals 199460
+ 9973 × 900 what gives us 8975700
+ 9973 × 9000 resulting in 89757000

= 99001971
