Alright, let's work through 3544 times 511 step by step
3544 × 511 = 511 × (3544)
+ 511 × 4 giving us 2044
+ 511 × 40 what gives us 20440
+ 511 × 500 producing 255500
+ 511 × 3000 what gives us 1533000

= 1810984
