Alright, let's work through 3635 times 828 step by step
3635 × 828 = 828 × (3635)
+ 828 × 5 what gives us 4140
+ 828 × 30 that results in 24840
+ 828 × 600 that is equal 496800
+ 828 × 3000 what gives us 2484000

= 3009780
