Alright, let's work through 7789 times 1317 step by step
7789 × 1317 = 1317 × (7789)
+ 1317 × 9 giving us 11853
+ 1317 × 80 that results in 105360
+ 1317 × 700 that results in 921900
+ 1317 × 7000 yielding 9219000

= 10258113
