Alright, let's work through 7755 times 8157 step by step
7755 × 8157 = 8157 × (7755)
+ 8157 × 5 producing 40785
+ 8157 × 50 that is equal 407850
+ 8157 × 700 yielding 5709900
+ 8157 × 7000 resulting in 57099000

= 63257535
