Alright, let's work through 5580 times 7815 step by step
5580 × 7815 = 7815 × (5580)
+ 7815 × 0 that is equal 0
+ 7815 × 80 that results in 625200
+ 7815 × 500 resulting in 3907500
+ 7815 × 5000 that equals 39075000

= 43607700
