The supermarket is running a promotion. Buy three bottles of 2-liter Coke and get two bottles of 255ml Coke for free. Xiaoya bought seven bottles of 2-liter Coke. How many milliliters of Coke did she get in total?
超市搞促销，买三瓶2升的可乐送2瓶255毫升的可乐，小亚买了7瓶2升的可乐，一共得到多少毫升可乐？
<gadget id="calculator">255 * 2 * 3</gadget>
<output>1_530</output>

<gadget id="calculator">14_000 + 1_530</gadget>
<output>15_530</output>

<result>15_530</result>