We're going to solve 5601 multiplied by 1021
5601 × 1021 = 1021 × (5601)
+ 1021 × 1 what gives us 1021
+ 1021 × 00 that results in 0
+ 1021 × 600 what gives us 612600
+ 1021 × 5000 producing 5105000

= 5718621
