A kitchen is 2.5m long, 2m wide, and 2.8m high, and its walls are covered with tiles (the doors and windows take up 3m**2). If you buy square tiles with a side length of 2dm, each piece is 1.5 yuan, how much is the total cost? Yuan?
一间厨房长2.5m，宽2m，高2.8m，用瓷砖贴它的四壁(其中门窗占去3m**2)，若购买边长为2dm的正方形瓷砖，每块1.5元，共需多少元？
<gadget id="calculator">5 + 28 + 11.2</gadget>
<output>44.2</output>

<gadget id="calculator">44.2 - 3</gadget>
<output>41.2</output>

<gadget id="calculator">0.2 * 0.2</gadget>
<output>0.04</output>

<gadget id="calculator">41.2 / 0.04</gadget>
<output>1_030</output>

<gadget id="calculator">1_030 * 1.5</gadget>
<output>1_545</output>

<result>1_545</result>