Alright, let's work through 5644 times 835 step by step
5644 × 835 = 835 × (5644)
+ 835 × 4 that results in 3340
+ 835 × 40 what gives us 33400
+ 835 × 600 which equals 501000
+ 835 × 5000 which equals 4175000

= 4712740
