Alright, let's work through 1021 times 5520 step by step
1021 × 5520 = 5520 × (1021)
+ 5520 × 1 which equals 5520
+ 5520 × 20 that equals 110400
+ 5520 × 000 that is equal 0
+ 5520 × 1000 that is equal 5520000

= 5635920
