Alright, let's work through 7835 times 9644 step by step
7835 × 9644 = 9644 × (7835)
+ 9644 × 5 yielding 48220
+ 9644 × 30 giving us 289320
+ 9644 × 800 giving us 7715200
+ 9644 × 7000 that is equal 67508000

= 75560740
