Alright, let's work through 4203 times 8703 step by step
4203 × 8703 = 8703 × (4203)
+ 8703 × 3 that is equal 26109
+ 8703 × 00 that results in 0
+ 8703 × 200 producing 1740600
+ 8703 × 4000 yielding 34812000

= 36578709
