Use a 15A male to 30A female adapter like this: https://www.amazon.com/Leisure-Cords-Generator-Electrical-Converter/dp/B07QY57SNH/ref=sr_1_5
Just don’t overload it by drawing too much power at once. I believe its only 1800 watts you can run through a 15a outlet. So, depending on the power draw of your appliances, running the fridge and AC at the same time, for example, might overload it.