No problem, we've got 9903 and 8903 to multiply
9903 × 8903 = 8903 × (9903)
+ 8903 × 3 giving us 26709
+ 8903 × 00 what gives us 0
+ 8903 × 900 giving us 8012700
+ 8903 × 9000 what gives us 80127000

= 88166409
