Alright, let's work through 7809 times 8749 step by step
7809 × 8749 = 8749 × (7809)
+ 8749 × 9 yielding 78741
+ 8749 × 00 that is equal 0
+ 8749 × 800 which equals 6999200
+ 8749 × 7000 which equals 61243000

= 68320941
