Alright, let's work through 9878 times 1221 step by step
9878 × 1221 = 1221 × (9878)
+ 1221 × 8 that equals 9768
+ 1221 × 70 which equals 85470
+ 1221 × 800 which equals 976800
+ 1221 × 9000 which equals 10989000

= 12061038
