Alright, let's work through 8190 times 2611 step by step
8190 × 2611 = 2611 × (8190)
+ 2611 × 0 resulting in 0
+ 2611 × 90 that equals 234990
+ 2611 × 100 that is equal 261100
+ 2611 × 8000 yielding 20888000

= 21384090
