Alright, let's work through 2225 times 3987 step by step
2225 × 3987 = 3987 × (2225)
+ 3987 × 5 that equals 19935
+ 3987 × 20 that results in 79740
+ 3987 × 200 resulting in 797400
+ 3987 × 2000 giving us 7974000

= 8871075
