No problem, we've got 9878 and 9102 to multiply
9878 × 9102 = 9102 × (9878)
+ 9102 × 8 which equals 72816
+ 9102 × 70 that equals 637140
+ 9102 × 800 what gives us 7281600
+ 9102 × 9000 what gives us 81918000

= 89909556
