Alright, let's work through 5587 times 7647 step by step
5587 × 7647 = 7647 × (5587)
+ 7647 × 7 what gives us 53529
+ 7647 × 80 that results in 611760
+ 7647 × 500 that is equal 3823500
+ 7647 × 5000 giving us 38235000

= 42723789
