Find the Operating Cash Flow for 2009

In 2008 long-term debt is 2.55 million, common stock is 760,000 and additional paid in surplus is 6.3 million. In 2009 LTd is 3.85 million, common stock is 905,000 and additional paid in surplus is 8.5 million, 550,000 dividends paid, interest is 350,000, net capital spending is 810,000 and there was a decrease in net working capital of 165,000, What was 2009 operating cash flow?

Can you be detailed and show step by step please? I am having a hard time figuring this out.