Alright, let's work through 4206 times 8900 step by step
4206 × 8900 = 8900 × (4206)
+ 8900 × 6 producing 53400
+ 8900 × 00 that equals 0
+ 8900 × 200 giving us 1780000
+ 8900 × 4000 what gives us 35600000

= 37433400
