Alright, let's work through 7735 times 9664 step by step
7735 × 9664 = 9664 × (7735)
+ 9664 × 5 that results in 48320
+ 9664 × 30 that is equal 289920
+ 9664 × 700 that equals 6764800
+ 9664 × 7000 that results in 67648000

= 74751040
