Alright, let's work through 9210 times 8104 step by step
9210 × 8104 = 8104 × (9210)
+ 8104 × 0 that equals 0
+ 8104 × 10 resulting in 81040
+ 8104 × 200 that equals 1620800
+ 8104 × 9000 that equals 72936000

= 74637840
