Alright, let's work through 7791 times 8177 step by step
7791 × 8177 = 8177 × (7791)
+ 8177 × 1 that results in 8177
+ 8177 × 90 that equals 735930
+ 8177 × 700 that is equal 5723900
+ 8177 × 7000 yielding 57239000

= 63707007
