Alright, let's work through 1835 times 9959 step by step
1835 × 9959 = 9959 × (1835)
+ 9959 × 5 producing 49795
+ 9959 × 30 that is equal 298770
+ 9959 × 800 which equals 7967200
+ 9959 × 1000 that results in 9959000

= 18274765
