Xiaoyue's living room is 7 meters long, 4 meters wide, and 3.2 meters high. The total area of doors and windows is 12.4 square meters. Xiaoyue's father wants to repaint the living room (the floor does not need to be painted). Under the condition of no loss, (1/2) kilogram of paint is needed per square meter. If there is 10% loss in the actual painting process, how many kilograms of paint are needed to paint the living room?
小悦家客厅长7米、宽4米、高3.2米，门窗面积一共是12.4平方米．小悦爸爸想把客厅重新粉刷一下(地板不用粉刷)，在无损耗的情况下，每平方米需(1/2)千克涂料．如果在实际粉刷过程中有10%的损耗，粉刷客厅一共需涂料多少千克？
<gadget id="calculator">7 * 4</gadget>
<output>28</output>

<gadget id="calculator">7 * 3.2</gadget>
<output>22.4</output>

<gadget id="calculator">4 * 3.2</gadget>
<output>12.8</output>

<gadget id="calculator">22.4 + 12.8</gadget>
<output>35.2</output>

<gadget id="calculator">35.2 * 2</gadget>
<output>70.4</output>

<gadget id="calculator">70.4 - 12.4</gadget>
<output>58</output>

<gadget id="calculator">28 + 58</gadget>
<output>86</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">86 * (1/2) * (11/10)</gadget>
<output>473/10 = around 47.3</output>

<result>473/10 = around 47.3</result>