Alright, let's work through 1320 times 8541 step by step
1320 × 8541 = 8541 × (1320)
+ 8541 × 0 resulting in 0
+ 8541 × 20 what gives us 170820
+ 8541 × 300 yielding 2562300
+ 8541 × 1000 that is equal 8541000

= 11274120
