Alright, let's work through 3539 times 3842 step by step
3539 × 3842 = 3842 × (3539)
+ 3842 × 9 what gives us 34578
+ 3842 × 30 that results in 115260
+ 3842 × 500 that results in 1921000
+ 3842 × 3000 that equals 11526000

= 13596838
