Alright, let's work through 4920 times 3577 step by step
4920 × 3577 = 3577 × (4920)
+ 3577 × 0 that is equal 0
+ 3577 × 20 producing 71540
+ 3577 × 900 which equals 3219300
+ 3577 × 4000 that equals 14308000

= 17598840
