Alright, let's work through 5487 times 7856 step by step
5487 × 7856 = 7856 × (5487)
+ 7856 × 7 that results in 54992
+ 7856 × 80 that is equal 628480
+ 7856 × 400 yielding 3142400
+ 7856 × 5000 which equals 39280000

= 43105872
