Alright, let's work through 5709 times 2815 step by step
5709 × 2815 = 2815 × (5709)
+ 2815 × 9 that results in 25335
+ 2815 × 00 that equals 0
+ 2815 × 700 that is equal 1970500
+ 2815 × 5000 that equals 14075000

= 16070835
