Alright, let's work through 2109 times 8300 step by step
2109 × 8300 = 8300 × (2109)
+ 8300 × 9 that equals 74700
+ 8300 × 00 producing 0
+ 8300 × 100 what gives us 830000
+ 8300 × 2000 giving us 16600000

= 17504700
