Alright, let's work through 5900 times 3539 step by step
5900 × 3539 = 3539 × (5900)
+ 3539 × 0 that results in 0
+ 3539 × 00 which equals 0
+ 3539 × 900 that results in 3185100
+ 3539 × 5000 giving us 17695000

= 20880100
