There are numerous examples that are everyday examples of Exocytosis. One example is a person peeing. This exports all toxins and waste out of the body.
This is because 130 base pair is adjacent to 14 base pair repeat , and you have 6 repeats. So 14 multiplied by 6 repeats is 84. If you add this to your primer amplicon, you will get the size of final PCR product i.e.. 214.