Alright, let's work through 9378 times 7821 step by step
9378 × 7821 = 7821 × (9378)
+ 7821 × 8 which equals 62568
+ 7821 × 70 giving us 547470
+ 7821 × 300 giving us 2346300
+ 7821 × 9000 yielding 70389000

= 73345338
