Alright, let's work through 7721 times 5088 step by step
7721 × 5088 = 5088 × (7721)
+ 5088 × 1 resulting in 5088
+ 5088 × 20 yielding 101760
+ 5088 × 700 what gives us 3561600
+ 5088 × 7000 yielding 35616000

= 39284448
