Alright, let's work through 5205 times 9812 step by step
5205 × 9812 = 9812 × (5205)
+ 9812 × 5 that is equal 49060
+ 9812 × 00 yielding 0
+ 9812 × 200 that is equal 1962400
+ 9812 × 5000 resulting in 49060000

= 51071460
