Alright, let's work through 4210 times 1237 step by step
4210 × 1237 = 1237 × (4210)
+ 1237 × 0 which equals 0
+ 1237 × 10 producing 12370
+ 1237 × 200 what gives us 247400
+ 1237 × 4000 producing 4948000

= 5207770
