Alright, let's work through 3553 times 5940 step by step
3553 × 5940 = 5940 × (3553)
+ 5940 × 3 which equals 17820
+ 5940 × 50 what gives us 297000
+ 5940 × 500 that results in 2970000
+ 5940 × 3000 that equals 17820000

= 21104820
