Alright, let's work through 1845 times 2209 step by step
1845 × 2209 = 2209 × (1845)
+ 2209 × 5 giving us 11045
+ 2209 × 40 that equals 88360
+ 2209 × 800 that is equal 1767200
+ 2209 × 1000 that equals 2209000

= 4075605
