Can you show me the math beind it?

Your firm has an insurance policy with a per occurrence deductible of $100,000 and a stop loss of $500,000. Assume that the following covered losses occurred during the policy period: $ 25,000; $250,000; $100,000; $500,000; $750,000; $150,000; $50,000. What is the total amount of losses your insurer paid during the policy period? 1.325,000