Alright, let's work through 1839 times 3535 step by step
1839 × 3535 = 3535 × (1839)
+ 3535 × 9 giving us 31815
+ 3535 × 30 which equals 106050
+ 3535 × 800 resulting in 2828000
+ 3535 × 1000 that equals 3535000

= 6500865
