Alright, let's work through 9390 times 815 step by step
9390 × 815 = 815 × (9390)
+ 815 × 0 that results in 0
+ 815 × 90 that results in 73350
+ 815 × 300 resulting in 244500
+ 815 × 9000 that equals 7335000

= 7652850
