Alright, let's work through 3617 times 7904 step by step
3617 × 7904 = 7904 × (3617)
+ 7904 × 7 that is equal 55328
+ 7904 × 10 which equals 79040
+ 7904 × 600 that equals 4742400
+ 7904 × 3000 what gives us 23712000

= 28588768
