Alright, let's work through 8960 times 9356 step by step
8960 × 9356 = 9356 × (8960)
+ 9356 × 0 resulting in 0
+ 9356 × 60 resulting in 561360
+ 9356 × 900 giving us 8420400
+ 9356 × 8000 that equals 74848000

= 83829760
