Let's calculate 9964 x 9660
9964 × 9660 = 9660 × (9964)
+ 9660 × 4 resulting in 38640
+ 9660 × 60 that equals 579600
+ 9660 × 900 that equals 8694000
+ 9660 × 9000 that results in 86940000

= 96252240
