Dongdong buys 6 bottles of beverages, and pays 2.70 yuan for each bottle. After drinking all the drinks, he can return the empty bottles. The refund for each empty bottle is 2.30 yuan less than the price for the drinks in the bottle. How much can this person get back?
东东买6瓶饮料，每瓶付款2.70元，喝完全部饮料可退空瓶，每只空瓶退得的钱比瓶中饮料的钱少2.30元．这人可退得多少元．
<gadget id="calculator">2.7 - 2.3</gadget>
<output>0.4</output>

<gadget id="calculator">0.4 / 2</gadget>
<output>0.2</output>

<gadget id="calculator">0.2 * 6</gadget>
<output>1.2</output>

<result>1.2</result>