Alright, let's work through 1849 times 1961 step by step
1849 × 1961 = 1961 × (1849)
+ 1961 × 9 yielding 17649
+ 1961 × 40 that is equal 78440
+ 1961 × 800 yielding 1568800
+ 1961 × 1000 producing 1961000

= 3625889
