Alright, let's work through 5783 times 213 step by step
5783 × 213 = 213 × (5783)
+ 213 × 3 which equals 639
+ 213 × 80 that results in 17040
+ 213 × 700 that equals 149100
+ 213 × 5000 that equals 1065000

= 1231779
