Alright, let's work through 6610 times 9721 step by step
6610 × 9721 = 9721 × (6610)
+ 9721 × 0 giving us 0
+ 9721 × 10 producing 97210
+ 9721 × 600 which equals 5832600
+ 9721 × 6000 that results in 58326000

= 64255810
