We're going to solve 9645 multiplied by 7680
9645 × 7680 = 7680 × (9645)
+ 7680 × 5 which equals 38400
+ 7680 × 40 that results in 307200
+ 7680 × 600 giving us 4608000
+ 7680 × 9000 yielding 69120000

= 74073600
