Alright, let's work through 9885 times 1797 step by step
9885 × 1797 = 1797 × (9885)
+ 1797 × 5 that results in 8985
+ 1797 × 80 that equals 143760
+ 1797 × 800 which equals 1437600
+ 1797 × 9000 which equals 16173000

= 17763345
