Alright, let's work through 9918 times 8100 step by step
9918 × 8100 = 8100 × (9918)
+ 8100 × 8 resulting in 64800
+ 8100 × 10 that is equal 81000
+ 8100 × 900 that is equal 7290000
+ 8100 × 9000 producing 72900000

= 80335800
