Alright, let's work through 5321 times 7980 step by step
5321 × 7980 = 7980 × (5321)
+ 7980 × 1 that results in 7980
+ 7980 × 20 yielding 159600
+ 7980 × 300 yielding 2394000
+ 7980 × 5000 resulting in 39900000

= 42461580
