Alright, let's work through 4887 times 2507 step by step
4887 × 2507 = 2507 × (4887)
+ 2507 × 7 giving us 17549
+ 2507 × 80 that is equal 200560
+ 2507 × 800 giving us 2005600
+ 2507 × 4000 what gives us 10028000

= 12251709
