8 zinger wings becomes 6 - order short :(

I went to KFC in Sandton City around 12 o'clock on the 05/02/2016. i bought 2 x 4 hot wings which was R33.80 and my order was correct which was order nr 975. I then bought a 1 x 8 hot wings and a small pops and my order was R45.80 order nr 976. i got my food and left to go back to work. When i got back to work everything was there but there was not 8 zinger wings in the packet there was only 6 zinger wings in. I am very upset as i feel i paid for 8 and not 6. how many people does this not happen to. This is not acceptable at all!!!!!