Alright, let's work through 9901 times 8234 step by step
9901 × 8234 = 8234 × (9901)
+ 8234 × 1 that results in 8234
+ 8234 × 00 giving us 0
+ 8234 × 900 that is equal 7410600
+ 8234 × 9000 resulting in 74106000

= 81524834
