Alright, let's work through 1165 times 8090 step by step
1165 × 8090 = 8090 × (1165)
+ 8090 × 5 that equals 40450
+ 8090 × 60 which equals 485400
+ 8090 × 100 resulting in 809000
+ 8090 × 1000 what gives us 8090000

= 9424850
