Alright, let's work through 8624 times 7928 step by step
8624 × 7928 = 7928 × (8624)
+ 7928 × 4 that is equal 31712
+ 7928 × 20 that is equal 158560
+ 7928 × 600 which equals 4756800
+ 7928 × 8000 yielding 63424000

= 68371072
