Alright, let's work through 1831 times 9002 step by step
1831 × 9002 = 9002 × (1831)
+ 9002 × 1 what gives us 9002
+ 9002 × 30 yielding 270060
+ 9002 × 800 that is equal 7201600
+ 9002 × 1000 giving us 9002000

= 16482662
